Write a program Using C programming to allow the user to choose what task they want. Based on their input call. Write program using Macros.

and display the formatted output to the user

Calculator $(+,-,*,/,\%,!,^),$ where,

a$.$ character $\text{'}!\text{'}$ represents factorial of a number $(($:$55^{***}4***3***2**1\}$

b$.$ character $^\text{'}$ represents power of a number $(3^4=4^{th}$ power of $3)$

Simple Interest $($principal$,$ rate and time as inputs$)$

Area of rectangle$/$circle$/$triangle $($inputs shape and dimensions based on the shape$)$