What’s New Calculator App in Windows 10
Calculator App in Windows 10 is really a touch-friendly version of the desktop calculator in previous versions of Windows, and works on both mobile and desktop devices. You may open multiple calculators in addition in resizable windows for the desktop and switch between Standard, Scientific, Programmer, Date calculation, and Converter modes.
To start Calculator App in Windows 10, choose the Start button then select Calculator from the listing of apps. 
Switch modes feature
Contents
- Use Standard way of basic math, Scientific for advanced calculations, Programmer for binary code, Date calculation for making use of dates, and Converter for converting units of measurement.
- To switch modes, choose the Menu button. After you switch, the latest calculation is cleared, but History and Memory are saved.
Memory
- Save numbers to memory in Standard, Scientific, and Programmer modes. History stores all equations calculated when you opened the app.
- To save the latest number to memory, select MS.
- To retrieve it from memory, select MR.
- To show the Memory list, select M, or resize your window to display the Memory and History lists for yourself.
- To add or subtract a number from memory, select M+ or M-.
- To remove the memory, select MC.
Calculator Keyboard shortcuts
- Calculator has keyboard shortcuts to create things easier when working with a desktop PC. For instance, press @ to calculate a square root, or press Ctrl + L to remove the memory.
Calculator keyboard shortcuts
| Press this key | To do this |
|---|---|
| Alt + 1 | Switch to Standard mode |
| Alt + 2 | Switch to Scientific mode |
| Alt + 3 | Switch to Programmer mode |
| Alt + 4 | Switch to Date Calculation mode |
| Ctrl + M | Store in memory |
| Ctrl + P | Add to memory |
| Ctrl + Q | Subtract from memory |
| Ctrl + R | Recall from memory |
| Ctrl + L | Clear memory |
| Delete | Clear current input (select CE) |
| Esc | Fully clear input (select C) |
| F9 | Select ± |
| R | Select 1/x |
| @ | Calculate the square root |
| % | Select % |
| Ctrl + H | Turn calculation history on or off |
| Up arrow | Move up in history list |
| Down arrow | Move down in history list |
| Ctrl + Shift + D | Clear history |
| F3 | Select DEG in Scientific mode |
| F4 | Select RAD in Scientific mode |
| F5 | Select GRAD in Scientific mode |
| Ctrl + G | Select 10x in Scientific mode |
| Ctrl + O | Select cosh in Scientific mode |
| Ctrl + S | Select sinh in Scientific mode |
| Ctrl + T | Select tanh in Scientific mode |
| Shift + S | Select sin-1 in Scientific mode |
| Shift + O | Select cos-1 in Scientific mode |
| Shift + T | Select tan-1 in Scientific mode |
| Ctrl + Y | Select y√x in Scientific mode |
| D | Select Mod in Scientific mode |
| L | Select log in Scientific mode |
| M | Select dms in Scientific mode |
| N | Select ln in Scientific mode |
| Ctrl + N | Select ex in Scientific mode |
| O | Select cos in Scientific mode |
| P | Select Pi in Scientific mode |
| Q | Select x2 in Scientific mode |
| S | Select sin in Scientific mode |
| T | Select tan in Scientific mode |
| V | Select F-E in Scientific mode |
| X | Select Exp in Scientific mode |
| Y, ^ | Select xy in Scientific mode |
| # | Select x3 in Scientific mode |
| ! | Select n! in Scientific mode |
| % | Select Mod in Scientific or Programmer mode |
| F2 | Select DWORD in Programmer mode |
| F3 | Select WORD in Programmer mode |
| F4 | Select BYTE in Programmer mode |
| F5 | Select HEX in Programmer mode |
| F6 | Select DEC in Programmer mode |
| F7 | Select OCT in Programmer mode |
| F8 | Select BIN in Programmer mode |
| F12 | Select QWORD in Programmer mode |
| A-F | Select A-F in Programmer mode |
| J | Select RoL in Programmer mode |
| K | Select RoR in Programmer mode |
| < | Select Lsh in Programmer mode |
| > | Select Rsh in Programmer mode |
| % | Select Mod in Programmer mode |
| | | Select Or in Programmer mode |
| ^ | Select Xor in Programmer mode |
| ~ | Select Not in Programmer mode |
| & | Select And in Programmer mode |
| Spacebar | Toggle the bit value in Programmer mode |
