printf %f with only 2 numbers after the decimal point?

Question

In my printf, I need to use %f but I\'m not sure how to truncate to 2 decimal places:

Example: getting

3.14159

Answer 1

Try:

printf("%.2f", 3.14159);

Reference:

http://www.cplusplus.com/reference/clibrary/cstdio/printf/