diff --git a/Makefile b/Makefile
index f4db715..2d3cb55 100644
--- a/Makefile
+++ b/Makefile
@@ -3,5 +3,8 @@ install:
 	pip install --upgrade pip
 	pip install -r requirements.txt
 
+run:
+	python src/main.py
+
 test:
 	python -m pytest -v
diff --git a/main.py b/main.py
deleted file mode 100644
index d4a8ddd..0000000
--- a/main.py
+++ /dev/null
@@ -1,2 +0,0 @@
-if __name__ == "__main__":
-    print("This is a test")
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..2014185
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,8 @@
+from modules.math import t_compound_interest, t_compound_interest_algorigthm, t_exponent
+from modules.strings import t_strings
+
+if __name__=="__main__":
+	t_strings()
+	t_exponent(2,8)
+	print(t_compound_interest(100, 20 / 100, 2, 12))
+	print(t_compound_interest_algorigthm(100, 20 / 100, 2, 12))
diff --git a/src/modules/__pycache__/math.cpython-313.pyc b/src/modules/__pycache__/math.cpython-313.pyc
new file mode 100644
index 0000000..eb1aa60
Binary files /dev/null and b/src/modules/__pycache__/math.cpython-313.pyc differ
diff --git a/src/modules/__pycache__/strings.cpython-313.pyc b/src/modules/__pycache__/strings.cpython-313.pyc
new file mode 100644
index 0000000..1cfcf5c
Binary files /dev/null and b/src/modules/__pycache__/strings.cpython-313.pyc differ
diff --git a/src/modules/math.py b/src/modules/math.py
new file mode 100644
index 0000000..9b83bbf
--- /dev/null
+++ b/src/modules/math.py
@@ -0,0 +1,26 @@
+from cmath import log as complex_log  # used for complex numbers
+from math import log
+
+
+def t_summ():
+	# Equivalent to summatory of 2*i from i=1 to i=5
+	return sum(2*i for i in range(1,6))
+
+def t_exponent(base, exponent):
+	return base**exponent
+
+def t_logarithm(n, base):
+	 return log(n, base)
+
+def t_complex_logarithm(n, base):
+	return complex_log(n, base)
+
+def t_compound_interest(input, interest, span, periods):
+	return input * ((1 + (interest / periods))**(periods * span))
+
+def t_compound_interest_algorigthm(input, interest, span, periods):
+	result = input
+	for _ in range(0, span):
+		for _ in range(0, periods):
+			result += result * (interest / periods)
+	return result
diff --git a/src/modules/strings.py b/src/modules/strings.py
new file mode 100644
index 0000000..9463f2a
--- /dev/null
+++ b/src/modules/strings.py
@@ -0,0 +1,3 @@
+def t_strings():
+	my_template = "This is a value: {test}"
+	print(my_template.format(test="another"))