Which header file is included in program to use C++’s mathematical functions?
Q42. Which header file must be included in the program to make use of C++’s built-in mathematical functions?
Ans. math.h.
- Write a statement that uses an arithmetic assignment operator to subtract the value of variable ans by 17. Write the same statement without arithmetic assignment operator.
- “Comments are useful and easy way to enhance readability and understand-ability of a program.” Elaborate with examples.