The Online Calculator

Calculator Size

Change the text size in your browser and the size of the calculator and buttons will change.

Calculator Operations

A simple basic keypad calculator online, similar to a small handheld calculator, for addition, subtraction, division and multiplication. Just a basic calculator for basic calculations and memory functions. The operations for this standard calculator are listed below.

• M will show up in the left input box when memory has value
• MC = Clear Memory
• M+ = Add to Memory
• M- = Subtract from Memory
• MR = Memory Recall
• C = Clear Current Operation
• CE = Clear Entry
• ²√ = take the square root function for the value shown
• x² = raise the value shown to the power of 2
• % = use on the last operation on the last value entered
  • 100 - 22 % = 78; 100 minus 22% of 100 is 78
  • 100 x 22 % = 22; 100 times 22% is 22
• π = enter the value of pi = 3.141592653589793 into the input area to be operated on

Legal Information & Terms of Use