Calculator in Windows 10

Applies to: Windows 10

What's new

  • The Calculator app for Windows 10 is a touch-friendly version of the desktop calculator in previous versions of Windows, and it works on both mobile and desktop devices.
  • You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Programmer, Date calculation, and Converter modes.

  • To get started, select the Start  button, and then select Calculator in the list of apps.

    The updated calculator app

Switch modes

  • Use Standard mode for basic math, Scientific for advanced calculations, Programmer for binary code, Date calculation for working with dates, and Converter for converting units of measurement.
  • Select the Open Navigation  button to switch modes. When you switch modes, the current calculation is cleared, but History and Memory are saved.
    Calculator options menu


  • Save numbers to memory in Standard, Scientific, and Programmer modes. History stores all equations calculated since you opened the app.

    • To save a new number to memory, select MS.

    • To retrieve it from memory, select MR.

    • To show the Memory list, select M, or resize the window to show the Memory and History lists on the side.

    • To add or subtract a number from memory, select M+ or M-.

    • To clear the memory, select MC.

  • Calculator with Memory list

    Memory list

Keyboard shortcuts

  • Calculator has keyboard shortcuts to make things easier when working at a desktop PC. For example, press @ to calculate a square root, or press Ctrl + L to clear the memory.
  • For the full list, see Keyboard shortcuts in apps.