This is a sub-optimal C calculator

1. It doesn't check for under/overflow;
2. It is limited to signed integers;
3. It only takes two operands;
4. It only uses additions and substractions in the code;
5. It is poorly designed (It only uses write from <unsitd.h>);
6. For the exponentiation : 0⁰ = 1.

   I know, it should be undefined.

How do I make it work ?

Compilation

• Compile with : make -s
  • Delete .o files : make clean
  • Delete .o files and the executable : make fclean

How do I use it ?

Supported operators

• addition +;
• subtraction -;
• multiplication x;
• factorial f;
• square root s;
• exponentiation p;
• euclidian division /
• and modulo %.

Syntax

• The syntax is : ./c-calc number1 operator number2 or ./c-calc number1 operator;
• A number can start with an arbitrary amount of whitespaces, + and - signs;
• The amount of - signs determines the sign of the number : negative if odd, positive if even.
• The operator is only a single character;

Coming soon !

• A massive rework where I will include :
  • the ability to use double numbers;