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calc.html
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calc.html
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<!DOCTYPE html>
<html>
<head>
<title>NoJS Calculator</title>
<link rel=“canonical” href=“https://quarknerd.github.io/noJS/calc.html/” />
</head>
<body>
<input checked type="checkbox" id="show-info"/>
<input type="radio" id="reduced-functions" />
<form class="calculator">
<input type="reset" id="reset">
<div class="pad"> </div>
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-0" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-1" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-2" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-3" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-4" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-5" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-6" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-7" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-8" />
<input type="radio" name="first-number-first-digit" id="first-number-first-digit-9" />
<div class="numbers-pad first">
<label for="first-number-first-digit-1">1</label>
<label for="first-number-first-digit-2">2</label>
<label for="first-number-first-digit-3">3</label>
<label for="first-number-first-digit-4">4</label>
<label for="first-number-first-digit-5">5</label>
<label for="first-number-first-digit-6">6</label>
<label for="first-number-first-digit-7">7</label>
<label for="first-number-first-digit-8">8</label>
<label for="first-number-first-digit-9">9</label>
<label for="reset">C</label>
<label for="first-number-first-digit-0">0</label>
</div>
<div class="set-digit set-first-digit set-first-number-first-digit first-number-second-digit">
<input type="radio" name="first-number-decimal-point" id="first-number-decimal-point-1" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-0" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-1" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-2" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-3" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-4" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-5" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-6" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-7" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-8" />
<input type="radio" name="first-number-second-digit" id="first-number-second-digit-9" />
<div class="numbers-pad">
<label for="first-number-second-digit-1">1</label>
<label for="first-number-second-digit-2">2</label>
<label for="first-number-second-digit-3">3</label>
<label for="first-number-second-digit-4">4</label>
<label for="first-number-second-digit-5">5</label>
<label for="first-number-second-digit-6">6</label>
<label for="first-number-second-digit-7">7</label>
<label for="first-number-second-digit-8">8</label>
<label for="first-number-second-digit-9">9</label>
<label for="reset">C</label>
<label for="first-number-second-digit-0">0</label>
<label for="first-number-decimal-point-1">.</label>
</div>
<div class="set-digit set-second-digit set-first-number-second-digit first-number-third-digit">
<input type="radio" name="first-number-decimal-point" id="first-number-decimal-point-2" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-0" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-1" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-2" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-3" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-4" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-5" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-6" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-7" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-8" />
<input type="radio" name="first-number-third-digit" id="first-number-third-digit-9" />
<div class="numbers-pad">
<label for="first-number-third-digit-1">1</label>
<label for="first-number-third-digit-2">2</label>
<label for="first-number-third-digit-3">3</label>
<label for="first-number-third-digit-4">4</label>
<label for="first-number-third-digit-5">5</label>
<label for="first-number-third-digit-6">6</label>
<label for="first-number-third-digit-7">7</label>
<label for="first-number-third-digit-8">8</label>
<label for="first-number-third-digit-9">9</label>
<label for="reset">C</label>
<label for="first-number-third-digit-0">0</label>
<label for="first-number-decimal-point-2">.</label>
</div>
<div class="set-digit set-third-digit set-first-number-third-digit first-number-fourth-digit">
<input type="radio" name="first-number-decimal-point" id="first-number-decimal-point-3" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-0" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-1" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-2" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-3" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-4" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-5" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-6" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-7" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-8" />
<input type="radio" name="first-number-fourth-digit" id="first-number-fourth-digit-9" />
<div class="numbers-pad">
<label for="first-number-fourth-digit-1">1</label>
<label for="first-number-fourth-digit-2">2</label>
<label for="first-number-fourth-digit-3">3</label>
<label for="first-number-fourth-digit-4">4</label>
<label for="first-number-fourth-digit-5">5</label>
<label for="first-number-fourth-digit-6">6</label>
<label for="first-number-fourth-digit-7">7</label>
<label for="first-number-fourth-digit-8">8</label>
<label for="first-number-fourth-digit-9">9</label>
<label for="reset">C</label>
<label for="first-number-fourth-digit-0">0</label>
<label for="first-number-decimal-point-3">.</label>
</div>
<div class="set-digit set-fourth-digit set-first-number-fourth-digit first-number-fifth-digit">
<input type="radio" name="first-number-decimal-point" id="first-number-decimal-point-4" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-0" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-1" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-2" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-3" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-4" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-5" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-6" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-7" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-8" />
<input type="radio" name="first-number-fifth-digit" id="first-number-fifth-digit-9" />
<div class="numbers-pad">
<label for="first-number-fifth-digit-1">1</label>
<label for="first-number-fifth-digit-2">2</label>
<label for="first-number-fifth-digit-3">3</label>
<label for="first-number-fifth-digit-4">4</label>
<label for="first-number-fifth-digit-5">5</label>
<label for="first-number-fifth-digit-6">6</label>
<label for="first-number-fifth-digit-7">7</label>
<label for="first-number-fifth-digit-8">8</label>
<label for="first-number-fifth-digit-9">9</label>
<label for="reset">C</label>
<label for="first-number-fifth-digit-0">0</label>
<label for="first-number-decimal-point-4">.</label>
</div>
<div class="set-digit set-fifth-digit set-first-number-fifth-digit">
<div class="numbers-pad only-reset">
<label for="reset">C</label>
</div>
<input type="radio" name="operation-trig" id="operation-sin" />
<input type="radio" name="operation-trig" id="operation-cos" />
<input type="radio" name="operation-trig" id="operation-tan" />
<input type="radio" name="operation" id="operation-plus" />
<input type="radio" name="operation" id="operation-minus" />
<input type="radio" name="operation" id="operation-divison" />
<input type="radio" name="operation" id="operation-multiplication" />
<input class="equals" type="radio" name="equals" id="equals" />
<!-- second-number -->
<div class="set-operation set-number second-number-first-digit">
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-0" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-1" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-2" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-3" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-4" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-5" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-6" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-7" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-8" />
<input type="radio" name="second-number-first-digit" id="second-number-first-digit-9" />
<div class="numbers-pad second-number-first">
<label for="second-number-first-digit-1">1</label>
<label for="second-number-first-digit-2">2</label>
<label for="second-number-first-digit-3">3</label>
<label for="second-number-first-digit-4">4</label>
<label for="second-number-first-digit-5">5</label>
<label for="second-number-first-digit-6">6</label>
<label for="second-number-first-digit-7">7</label>
<label for="second-number-first-digit-8">8</label>
<label for="second-number-first-digit-9">9</label>
<label for="reset">C</label>
<label for="second-number-first-digit-0">0</label>
</div>
<span class="first-number-display display number-display">
<span class="integer"></span>
<span class="decimal"></span>
</span>
<span class="set-digit reset-number-counters set-first-number set-first-digit set-second-number-first-digit second-number-second-digit">
<input type="radio" name="second-number-decimal-point" id="second-number-decimal-point-1" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-0" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-1" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-2" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-3" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-4" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-5" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-6" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-7" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-8" />
<input type="radio" name="second-number-second-digit" id="second-number-second-digit-9" />
<div class="numbers-pad">
<label for="second-number-second-digit-1">1</label>
<label for="second-number-second-digit-2">2</label>
<label for="second-number-second-digit-3">3</label>
<label for="second-number-second-digit-4">4</label>
<label for="second-number-second-digit-5">5</label>
<label for="second-number-second-digit-6">6</label>
<label for="second-number-second-digit-7">7</label>
<label for="second-number-second-digit-8">8</label>
<label for="second-number-second-digit-9">9</label>
<label for="reset">C</label>
<label for="second-number-second-digit-0">0</label>
<label for="second-number-decimal-point-1">.</label>
</div>
<span class="set-digit set-second-digit set-second-number-second-digit second-number-third-digit">
<input type="radio" name="second-number-decimal-point" id="second-number-decimal-point-2" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-0" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-1" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-2" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-3" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-4" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-5" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-6" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-7" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-8" />
<input type="radio" name="second-number-third-digit" id="second-number-third-digit-9" />
<div class="numbers-pad">
<label for="second-number-third-digit-1">1</label>
<label for="second-number-third-digit-2">2</label>
<label for="second-number-third-digit-3">3</label>
<label for="second-number-third-digit-4">4</label>
<label for="second-number-third-digit-5">5</label>
<label for="second-number-third-digit-6">6</label>
<label for="second-number-third-digit-7">7</label>
<label for="second-number-third-digit-8">8</label>
<label for="second-number-third-digit-9">9</label>
<label for="reset">C</label>
<label for="second-number-third-digit-0">0</label>
<label for="second-number-decimal-point-2">.</label>
</div>
<span class="set-digit set-third-digit set-second-number-third-digit second-number-fourth-digit">
<input type="radio" name="second-number-decimal-point" id="second-number-decimal-point-3" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-0" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-1" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-2" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-3" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-4" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-5" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-6" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-7" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-8" />
<input type="radio" name="second-number-fourth-digit" id="second-number-fourth-digit-9" />
<div class="numbers-pad">
<label for="second-number-fourth-digit-1">1</label>
<label for="second-number-fourth-digit-2">2</label>
<label for="second-number-fourth-digit-3">3</label>
<label for="second-number-fourth-digit-4">4</label>
<label for="second-number-fourth-digit-5">5</label>
<label for="second-number-fourth-digit-6">6</label>
<label for="second-number-fourth-digit-7">7</label>
<label for="second-number-fourth-digit-8">8</label>
<label for="second-number-fourth-digit-9">9</label>
<label for="reset">C</label>
<label for="second-number-fourth-digit-0">0</label>
<label for="second-number-decimal-point-3">.</label>
</div>
<span class="set-digit set-fourth-digit set-second-number-fourth-digit second-number-fifth-digit">
<input type="radio" name="second-number-decimal-point" id="second-number-decimal-point-4" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-0" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-1" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-2" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-3" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-4" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-5" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-6" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-7" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-8" />
<input type="radio" name="second-number-fifth-digit" id="second-number-fifth-digit-9" />
<div class="numbers-pad">
<label for="second-number-fifth-digit-1">1</label>
<label for="second-number-fifth-digit-2">2</label>
<label for="second-number-fifth-digit-3">3</label>
<label for="second-number-fifth-digit-4">4</label>
<label for="second-number-fifth-digit-5">5</label>
<label for="second-number-fifth-digit-6">6</label>
<label for="second-number-fifth-digit-7">7</label>
<label for="second-number-fifth-digit-8">8</label>
<label for="second-number-fifth-digit-9">9</label>
<label for="reset">C</label>
<label for="second-number-fifth-digit-0">0</label>
<label for="second-number-decimal-point-4">.</label>
</div>
<span class="set-digit set-fifth-digit set-second-number-fifth-digit">
<div class="message divide-by-zero">
Wow, aren't you clever? Testing to see if divide by zero works!! Well, everytime you divide by zero, a puppy dies.
</div>
<div class="message info">
<label for="show-info"> X </label>
Thanks for checking out my pure CSS calculator. It works best in Chromium browsers.
<a href="https://blog.scottlogic.com/2022/01/20/noJS-making-a-calculator-in-pure-css-html.html">See how I made it.</a>
The trig functions aren't always very accurate.
</div>
<div class="numbers-pad only-reset">
<a href="./calc.html">
<label for="reset">C</label>
</a>
</div>
<span class="set-number">
<span class="operation-display"></span>
<span class="number-display display second-number-display">
<span class="integer"></span>
<span class="decimal"></span>
</span>
<span class="set-second-number">
<span class="determine-numbers">
<div class="number-display display answer-display">
<span class="negative-sign"></span>
<span class="integer"></span>
<span class="decimal"></span>
</div>
</span>
</span>
</span>
<div class="operation-pad trig-pad">
<label for="operation-sin">sin</label>
<label for="operation-cos">cos</label>
<label for="operation-tan">tan</label>
</div>
<div class="operation-pad regular-pad">
<label class="operation" for="operation-divison">÷</label>
<label class="operation" for="operation-multiplication">×</label>
<label class="operation" for="operation-minus">-</label>
<label class="operation" for="operation-plus">+</label>
</div>
<div class="operation-pad equals-pad">
<label for="equals">=</label>
</div>
</span>
</span>
</span>
</span>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</form>
<br>
<label for="reduced-functions" class="compatability">
<span class="step-one"></span>
<span class="step-two"></span>
</label>
</body>
<style>
@property --property-integer {
syntax: '<integer>';
initial-value: 0;
inherits: true;
}
@counter-style pad-1 {
system: numeric;
symbols: "0" "1" "2" "3" "4" "5" "6" "7" "8" "9";
pad: 1 "0";
}
@counter-style pad-2 {
system: extends pad-1;
pad: 2 "0"
}
@counter-style pad-3 {
system: extends pad-1;
pad: 3 "0"
}
@counter-style pad-4 {
system: extends pad-1;
pad: 4 "0"
}
@counter-style pad-5 {
system: extends pad-1;
pad: 5 "0"
}
@counter-style pad-7 {
system: extends pad-1;
pad: 7 "0"
}
@counter-style no-zero {
system: numeric;
symbols: "\00AD" "";
range: 0 0
}
@counter-style number-sign {
system: numeric;
symbols: "" "";
}
body {
counter-reset: number-sign number-integer number-decimal;
--decimal-shift: 10000000;
--number-decimal-shift: 1;
--number-decimal-display: no-zero;
--second-number-decimal-shift: 1;
--second-number-decimal-display: no-zero;
--pi: 3.141592653589793238462643383279502884197169399375105820974944;
--tau: calc(var(--pi) * 2);
--half-pi: calc(var(--pi) / 2);
}
.reset-number-counters {
counter-reset: number-integer number-decimal;
}
/* Compatability */
@counter-style compatability_base {
system: cyclic;
symbols: "This calculator will not work in your browser. Please use a chromium browser or click here to limit functionality";
}
@counter-style compatability_style {
system: cyclic;
fallback: compatability_base;
symbols: "";
range: 0 0;
}
.compatability {
counter-reset: compatability;
counter-increment: compatability calc(-99999 * 9999);
}
.compatability > .step-one {
counter-increment: compatability 999890002;
}
.compatability > .step-two {
--a: -0.1;
--property-interger: var(--a);
--b: calc((var(--a) - var(--property-integer)) * 10);
counter-increment: compatability var(--b);
}
.compatability > .step-two::after {
content: counter(compatability, compatability_style)
}
#reduced-functions:checked ~ .compatability {
display: none;
}
/* All numbers */
input[id$="digit-0"]:checked ~ .set-digit { --prev-digit: 0; }
input[id$="digit-1"]:checked ~ .set-digit { --prev-digit: 1; }
input[id$="digit-2"]:checked ~ .set-digit { --prev-digit: 2; }
input[id$="digit-3"]:checked ~ .set-digit { --prev-digit: 3; }
input[id$="digit-4"]:checked ~ .set-digit { --prev-digit: 4; }
input[id$="digit-5"]:checked ~ .set-digit { --prev-digit: 5; }
input[id$="digit-6"]:checked ~ .set-digit { --prev-digit: 6; }
input[id$="digit-7"]:checked ~ .set-digit { --prev-digit: 7; }
input[id$="digit-8"]:checked ~ .set-digit { --prev-digit: 8; }
input[id$="digit-9"]:checked ~ .set-digit { --prev-digit: 9; }
.set-first-digit { --first-digit: var(--prev-digit); }
.set-second-digit { --second-digit: var(--prev-digit); }
.set-third-digit { --third-digit: var(--prev-digit); }
.set-fourth-digit { --fourth-digit: var(--prev-digit); }
.set-fifth-digit { --fifth-digit: var(--prev-digit); }
input[name$="first-digit"]:checked ~ * > * > * > * > * > .set-number {
--number-initial: var(--first-digit);
--number: calc(var(--number-initial) / var(--number-decimal-shift));
}
input[name$="second-digit"]:checked ~ * > * > * > * > .set-number {
--number-initial: calc(var(--first-digit)*10 + var(--second-digit));
--number: calc(var(--number-initial) / var(--number-decimal-shift));
}
input[name$="third-digit"]:checked ~ * > * > * > .set-number {
--number-initial: calc(var(--first-digit)*100 + var(--second-digit)*10 + var(--third-digit));
--number: calc(var(--number-initial) / var(--number-decimal-shift));
}
input[name$="fourth-digit"]:checked ~ * > * > .set-number {
--number-initial: calc(var(--first-digit)*1000 + var(--second-digit)*100 + var(--third-digit)*10 + var(--fourth-digit));
--number: calc(var(--number-initial) / var(--number-decimal-shift));
}
input[name$="fifth-digit"]:checked ~ * > .set-number {
--number-initial: calc(var(--first-digit)*10000 + var(--second-digit)*1000 + var(--third-digit)*100 + var(--fourth-digit)*10 + var(--fifth-digit));
--number: calc(var(--number-initial) / var(--number-decimal-shift));
}
/* first-number */
input[name$="number-decimal-point"]:checked ~ input[name*="number"][name*="digit"]:checked ~ * {
--number-decimal-shift: 10;
--number-decimal-display: pad-1;
}
input[name$="number-decimal-point"]:checked ~ .set-digit > input[name*="number"][name*="digit"]:checked ~ * {
--number-decimal-shift: 100;
--number-decimal-display: pad-2;
}
input[name$="number-decimal-point"]:checked ~ .set-digit > .set-digit > input[name*="number"][name*="digit"]:checked ~ * {
--number-decimal-shift: 1000;
--number-decimal-display: pad-3;
}
input[name$="number-decimal-point"]:checked ~ .set-digit > .set-digit > .set-digit > input[name*="number"][name*="digit"]:checked ~ * {
--number-decimal-shift: 10000;
--number-decimal-display: pad-4;
}
.set-first-number {
--first-number: var(--number);
--number-decimal-shift: 1;
--number-decimal-display: no-zero;
}
.set-second-number {
--second-number: var(--number);
--number-decimal-shift: 10000000;
--number-decimal-display: pad-7;
}
/* Calculation */
input#operation-divison:checked ~ .set-operation .determine-numbers {
--number: calc(var(--first-number) / var(--second-number));
}
input#operation-plus:checked ~ .set-operation .determine-numbers {
--number: calc(var(--first-number) + var(--second-number));
}
input#operation-minus:checked ~ .set-operation .determine-numbers {
--number: calc(var(--first-number) - var(--second-number));
}
input#operation-multiplication:checked ~ .set-operation .determine-numbers {
--number: calc(var(--first-number) * var(--second-number));
}
input[name="equals"]:checked ~ * .answer-display > .integer::after {
content: counter(number-integer);
}
input#operation-sin:checked ~ .set-operation .determine-numbers {
--number: calc(sin(var(--second-number)));
}
input#operation-cos:checked ~ .set-operation .determine-numbers {
--number: calc(cos(var(--second-number)));
}
input#operation-tan:checked ~ .set-operation .determine-numbers {
--number: calc(tan(var(--second-number)));
}
#reduced-functions:not(:checked) ~ form input[name="operation"]#operation-divison:checked ~ input[name="equals"]:checked ~ * .answer-display > .decimal::after,
#reduced-functions:not(:checked) ~ form input[name="operation-trig"]:checked ~ input[name="equals"]:checked ~ * .answer-display > .decimal::after,
#reduced-functions:not(:checked) ~ form input[name$="decimal-point"]:checked ~ * input[name="equals"]:checked ~ * .answer-display > .decimal::after,
#reduced-functions:not(:checked) ~ form input[name="equals"]:checked ~ * input[name$="decimal-point"]:checked ~ * .answer-display > .decimal::after {
content: "." counter(number-decimal, pad-7);
}
/* Button visbility */
.numbers-pad { display: none; }
.numbers-pad.first { display: block; }
input[name$="digit"]:checked ~ * > .numbers-pad { display: block; }
input[name="operation-trig"]:checked ~ * .numbers-pad.second-number-first,
input[name="operation"]:checked ~ * .numbers-pad.second-number-first {
display: block;
}
input[name="equals"]:checked ~ * .numbers-pad.only-reset { display: block }
input[name="second-number-decimal-point"]:checked ~ * label[for^="second-number-decimal-point"] { display: none; }
input[name="first-number-decimal-point"]:checked ~ * label[for^="first-number-decimal-point"] { display: none; }
#reduced-functions:checked ~ form label[for$="first-digit-0"],
#reduced-functions:checked ~ form label[for*="-decimal-point"] {
display: none;
}
/* operation */
.regular-pad,
.equals-pad {
display: none;
}
input[name="operation-trig"]:checked ~ * .operation-pad.regular-pad,
input[name="first-number-first-digit"]:checked ~ * .operation-pad.regular-pad {
display: block;
}
input[name="operation"]:checked ~ * .operation-pad.regular-pad,
input[name="operation-trig"]:checked ~ * .operation-pad.trig-pad {
display: none;
}
input[name="operation-trig"]:checked ~ * .operation-pad.regular-pad :not([for="operation-minus"]) {
display: none;
}
input[name="second-number-first-digit"]:checked ~ * .operation-pad.equals-pad { display: block; }
input[name="equals"]:checked ~ * .operation-pad { display: none !important }
/* reset button */
.numbers-pad.only-reset {
display: none;
}
/* only allow 4 digits in second number if multiplicatin selected because counters are limited to 32bit
Any value greater than x.9999999 but less than x + 1, causes issues with my method of seperating integer from
decimals. In theory it could be fixed by multiplying by 10^7 and rounding but this also causes the 32bit issue,
therefore, trig functions ae limited in digits. This isn't guaranteed to stop the error but stops some cases */
input#operation-multiplication:checked ~ * input[name="second-number-fourth-digit"]:checked ~ * .numbers-pad.only-reset,
input[name="operation-trig"]:checked ~ * input[name="second-number-fourth-digit"]:checked ~ * .numbers-pad.only-reset,
input[name="first-number-fifth-digit"]:checked ~ * > .numbers-pad.only-reset {
display: block;
}
/* style */
input {
display: none;
}
.answer-display {
/* to remove gap between spans */
font-size: 0px;
z-index: 500;
padding-left: 15px;
}
span.set-number,
.display { font-size: 0px; }
.operation-display,
.display > span { font-size: 36px; }
.display.answer-display > span { font-size: 30px; }
#reduced-functions:not(:checked) ~ form .number-display {
counter-reset: number-integer number-decimal;
--abs-number: max(var(--number), -1 * var(--number));
--property-integer: calc(var(--abs-number) - 0.5);
--number-integer: var(--property-integer);
--number-decimal: calc((var(--abs-number) - var(--property-integer)) * var(--number-decimal-shift));
--sign-number: calc(var(--number) * 100000000000);
}
#reduced-functions:not(:checked) ~ form .number-display > .integer {
counter-increment: number-integer var(--number-integer);
}
.number-display > .integer {
counter-reset: number-integer;
counter-increment: number-integer var(--number);
}
.number-display > .decimal {
counter-increment: number-decimal var(--number-decimal);
}
.number-display > .negative-sign {
counter-increment: number-sign var(--sign-number);
}
input[name="equals"]:checked ~ * .number-display > .negative-sign::after {
content: "= " counter(number-sign, number-sign);
}
#reduced-functions:checked ~ form input[name="equals"]:checked ~ * .number-display > .negative-sign::after {
content: "= "
}
input[name="first-number-first-digit"]:checked ~ * .first-number-display > .integer::after,
input[name="second-number-first-digit"]:checked ~ * .second-number-display > .integer::after {
content: counter(number-integer)
}
input[name="first-number-decimal-point"]:checked ~ * .first-number-display > .decimal::after,
input[name="second-number-decimal-point"]:checked ~ * .second-number-display > .decimal::after {
content: "." counter(number-decimal, var(--number-decimal-display));
}
input#operation-sin:checked ~ * .operation-display::after { content: "sin\2008"; }
input#operation-cos:checked ~ * .operation-display::after { content: "cos\2008"; }
input#operation-tan:checked ~ * .operation-display::after { content: "tan\2008"; }
input#operation-plus:checked ~ * .operation-display::after { content: "\2008 + "; }
input#operation-minus:checked ~ * .operation-display::after { content: "\2008 - "; }
input#operation-divison:checked ~ * .operation-display::after { content: "\2008 ÷ "; }
input#operation-multiplication:checked ~ * .operation-display::after { content: "\2008 × "; }
input#operation-sin:checked ~ input#operation-minus:checked ~ * .operation-display { content: "sin\2008 -"; }
input#operation-cos:checked ~ input#operation-minus:checked ~ * .operation-display::after { content: "cos\2008 -"; }
input#operation-tan:checked ~ input#operation-minus:checked ~ * .operation-display::after { content: "tan\2008 -"; }
input[id^="second-number"][id$="1"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="2"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="3"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="4"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="5"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="6"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="7"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="8"][id*="digit"]:checked ~ * ~ * .divide-by-zero,
input[id^="second-number"][id$="9"][id*="digit"]:checked ~ * ~ * .divide-by-zero
{ display: none !important; }
.divide-by-zero { display: none; }
input[name="operation"]#operation-divison:checked ~ input[name="equals"]:checked ~ * .divide-by-zero { display: block; }
.message {
position: absolute;
margin: 0 8px;
z-index: 2;
background-color: darkgray;
border-radius: 15px;
text-align: center;
padding: 5px;
}
@font-face {
font-family: 'Orbitron';
font-style: normal;
font-weight: 400;
src: url(font.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
body {
font-family: Orbitron;
background-color: lightgray;
font-size: 36px;
-webkit-user-select: none; /* Safari */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* IE10+/Edge */
user-select: none; /* Standard */
}
.calculator {
position: relative;
background-color: yellowgreen;
width: 420px;
height: 450px;
border-radius: 15px;
margin: auto;
margin-top: 50px;
}
.pad {
position: absolute;
top: 85px;
background-color: slategray;
width: 420px;
height: 390px;
border-radius: 15px;
display: flex;
flex-direction: row;
}
label:not([for="reduced-functions"]) {
display: inline-block;
height: 85px;
width: 85px;
margin-left: 10px;
margin-top: 10px;
border-radius: 15px;
background-color: black;
color: white;
text-align: center;
line-height: 85px;
}
label[for="reset"] {
margin-bottom: 10px;
}
.numbers-pad.only-reset label[for="reset"] {
position: relative;
margin-top: 295px;
}
.numbers-pad {
position: absolute;
z-index: 1;
top: 85px;
border-radius: 15px;
background-color: slategray;
width: 310px;
height: 390px;
}
.operation-pad {
position: absolute;
right: 80px;
bottom: -14px;
z-index: 1;
width: 30px;
}
input[name="operation-trig"]:checked ~ * .operation-pad.regular-pad {
bottom: 79px;
}
.operation-pad.trig-pad {
top: 85px;
}
.first-number-display {
margin-left: 10px;
}
a {
width: 10px;
text-decoration: none !important;
}
.info {
display: none;
}
input#show-info:checked ~ * .info {
display: block;
}
label[for="show-info"] {
display: inline-block;
position: absolute;
right: 10px;
top: 10px;
margin: 0;
height: 30px;
width: 30px;
border-radius: 15px;
color: white;
font-size: 10px;
line-height: 30px;
}
label[for="reduced-functions"] {
background-color: darkgray;
}
</style>
</html>