diff --git a/ufpy/__init__.py b/ufpy/__init__.py
index e15f6f8..6dfd2b2 100644
--- a/ufpy/__init__.py
+++ b/ufpy/__init__.py
@@ -1,7 +1,10 @@
 __version__ = '0.1.2'
 
+from ufpy import algebra
 # Typing package
 from ufpy import typ
+from ufpy.algebra.arithmetic import *
+from ufpy.algebra.func_sequence import *
 from ufpy.cmp import *
 from ufpy.math_op import *
 from ufpy.path_tools import *
diff --git a/ufpy/algebra/__init__.py b/ufpy/algebra/__init__.py
new file mode 100644
index 0000000..beffc62
--- /dev/null
+++ b/ufpy/algebra/__init__.py
@@ -0,0 +1,2 @@
+from ufpy.algebra.arithmetic import *
+from ufpy.algebra.func_sequence import *
diff --git a/ufpy/algebra/arithmetic.py b/ufpy/algebra/arithmetic.py
new file mode 100644
index 0000000..a62e440
--- /dev/null
+++ b/ufpy/algebra/arithmetic.py
@@ -0,0 +1,6 @@
+__all__ = (
+    'Arithmetic',
+)
+
+class Arithmetic:
+    ...
diff --git a/ufpy/algebra/func_sequence.py b/ufpy/algebra/func_sequence.py
new file mode 100644
index 0000000..b52aee4
--- /dev/null
+++ b/ufpy/algebra/func_sequence.py
@@ -0,0 +1,6 @@
+__all__ = (
+    'FunctionSequence',
+)
+
+class FunctionSequence:
+    ...