This C++ header library provides basic mathematical operations: addition, subtraction, multiplication, exponentiation, and square root calculations. It is simple and flexible, supporting various data types using templates.
calculator::add(2, 3); // Returns 5
calculator::subtract(5.5, 2.2); // Returns 3.3
calculator::multiply(4, 6); // Returns 24
calculator::exponentiate(2.0, 3.0); // return 8.0