A New All in one calculator Which can do aditions and many more things

INTRODUCING A BRAND NEW BASIC CALCULATOR FOR BEGGINERS PROGRAMMED IN C LANGUAGE JUST COPY AND PASTE IT IN YOU C SOFTWARE AND RUN IT IT CONSISTS OF 1)ADDITION
2)SUBTRACTION
3)MULTIPLICATION
4)DIVISION
5)SQUARING
6)SQUARE ROOT
7) SIMPLE INTREST CALCULATOR
8) PYTHAGORAS THEOREM