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Device features
Calculator

Use Calculator

  1. Open Calculator.
  2. Enter numbers and perform calculations.

Calculator buttons:

Button What it does
C Clear the current calculation and the display.
Backspace arrow, beside the display Delete the last digit you entered.
M+ Add the displayed number to memory. An M appears on the display while a number is in memory.
MR Show the number in memory.
MC Clear the memory.

To switch style: Menu > Traditional Style or Formula Style.

In Formula Style, you enter the whole calculation, then tap = to see the result. This style adds √, parentheses, ^ (power), ln, log, and x². If the calculation can't be worked out, Invalid Input appears (learn how).

Checked against the LuneOS code and installed apps. Nobody has tried these steps by hand yet, so tell us if something differs.