Here this takes two integer inputs and return its sum.

As similar to addition takes two integer inputs and return its difference.

Again find the product of two numbers and return it.

Reads two floating point values and return thier quotient.

This function again takes two integer values ie, if it is pow(x,y), then the value of x^y is returned.

This takes two integer as input and return the remainder when second integer divides the first.

This takes a single floating point value and find its natural logarithm and return the result.