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Device features
Calculator

Use Formula Style

In Formula Style, you enter the whole calculation first, and then see the result.

  1. Open Calculator > Menu > Formula Style.
  2. Enter the calculation, for example (2+3)*4.
Button What it does
√ Square root. Enter the number, then tap ).
( and ) Group part of a calculation.
^ Raise to a power, for example 2^8.
x² Square the number before it.
ln Natural logarithm. Enter the number, then tap ).
log Base-10 logarithm. Enter the number, then tap ).
/ and * Divide and multiply.
Backspace arrow, beside the calculation Delete the last character.
C Clear the calculation and the result.
3. Tap =. The result appears above the calculation.

If the calculation can't be worked out, Invalid Input appears. Check that every ( has a matching ).

To go back: Menu > Traditional Style.

See Also Use Calculator

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