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CALCULATOR

Calculator

Make light work of everyday numbers.

TOOLCAT CALCULATOR
Gray cat

Calculation history

Your calculations will appear here.

For everyday calculations. % divides the preceding number by 100.

TOOLCAT GUIDE

Getting started

A free online calculator for addition, subtraction, multiplication, division and parentheses. Use the buttons or type an expression and press Enter.

  1. Type an expression or use the buttons.
  2. Use parentheses to group calculations.
  3. Press Enter to calculate and Escape to clear.

Good to know

Can decimal calculations have rounding differences?

Some decimal operations can have rounding differences because of how computers represent numbers. Check results and rounding rules when exact decimal places matter.

A LITTLE PRACTICE

Calculate a grouped expression

Use parentheses to control the order in a simple calculation.

Try this

(12+3)*4 → Enter

The result is 60. Press Escape to clear. Some decimal calculations can have rounding errors.