diff --git a/MyMath.py b/MyMath.py
new file mode 100644
index 0000000..547ac56
--- /dev/null
+++ b/MyMath.py
@@ -0,0 +1,62 @@
+from tkinter import messagebox
+
+# myArea takes 5 arguments and gives us area of 2D shapes
+
+
+def myArea(name, length, breadth, height, radius):
+    name = name.lower()
+    if name == "rectangle":
+        return(length*breadth)
+    elif name == "square":
+        return(length**2)
+    elif name == "triangle":
+        return(0.5*breadth*height)
+    elif name == "circle":
+        return(3.14*radius**2)
+    else:
+        return(-1)
+
+# myvolume takes 5 args and gives volume of 3D shapes
+
+
+def myvolume(name, length, breadth, height, radius):
+    name = name.lower()
+    if name == "sphere":
+        return(4/3*radius**3)
+    elif name == "cube":
+        return(length**3)
+    elif name == "cone":
+        return(0.33*radius**2*height)
+    elif name == "cuboid":
+        return(length*breadth*height)
+    elif name == "cylinder":
+        return(3.14*radius**2*height)
+    else:
+        return(-1)
+
+# mycondition returns complementary angle for angles <=90 deg, supplementary angle for angles <= 180 deg
+# error is returned in other cases
+# mycondition also checks pythagoras theorem for 3 numbers and tells whether it is a py triplet or not
+
+
+def mycondition(condition, a, b, c, angle):
+    if condition == "Pythagorean Triplet Checker":
+        if a**2+b**2 == c**2:
+            return(1)
+        else:
+            return(2)
+    if condition == "Complimentary&Supplementary Angles":
+        if angle <= 90:
+            com = 90-angle
+            sup = 180-angle
+        elif angle <= 180:
+            sup = 180-angle
+            com = "error"
+        else:
+            sup = com = "error"
+        comsuplist = [com, sup]
+        com1 = comsuplist[0]
+        sup1 = comsuplist[1]
+        messagebox.showinfo("Complementary Angle", com1)
+        messagebox.showinfo("Supplementary Angle", sup1)
+    return comsuplist