{Javascript must be enabled to use these calculators}

1. Basic Popup Calculator (keyboard)

Popup Calculator

Type digits and operators: . */ +-
Standard calculation order: */ are processed before +-
You may type the Return or Enter key or click "OK" to calculate.
Type 2*3 + 7/8 {Ret/Enter}     Result: 6.875
Drag the button to your browser Bookmarks or Toolbar to use any time.

2. Basic Calculator (mouse)

You may type the equation but you MUST click "=".

3. Scientific Calculator

© Flow Simulation Ltd. 2009
This work by Pat Drummond is licensed under Creative Commons Attribution-ShareAlike 3.0 Unported License.