This page explains how to use C++ Stream Mainpulaters.

Operator Description
setprecision(n) Sets the precision of a floating-point number.
fixed Displays floating-point numbers in fixed-point notation.
showpoint Causes a floating-point number to be displayed with a decimal point with trailing zeros even if it has no fractional part.
setw(width) Specifies the width of a print feild.
left Aligns the output to the left.
right) Aligns the output to the right.