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NiCalc

NiCalc is a simple calculator written in Nim using NiGui.

Supported elements

The input term may consist of:

• Rational numbers

  • Decimal point: .
  • Digit grouping: ,, _

• Arithmetic operators: +, -, *, /, ^ (power)

• Brackets: (, )

• Functions:

  • abs()
  • ceil()
  • cos()
  • floor()
  • ln()
  • log2()
  • round()
  • sin()
  • sqrt()
  • tan()

• Constants:

  • pi
  • e

Example:

Input: (2^16+2*3-sin(pi))/2<br> Result: 32,771

Keyboard commands

• Return - Add calculation to history
• Escape - Quit

Screenshots

<a href="https://github.com/trustable-code/NiCalc/blob/master/screenshot-windows.png"><img src="https://raw.githubusercontent.com/trustable-code/NiCalc/master/screenshot-windows.png" width="400"></a>

<a href="https://github.com/trustable-code/NiCalc/blob/master/screenshot-gtk.png"><img src="https://raw.githubusercontent.com/trustable-code/NiCalc/master/screenshot-gtk.png" width="400"></a>

Download

• Binary downloads for Windows and Linux
• macOS users can try the Gtk version or wait for native macOS support

History

• Version 1.0 (2017-07-02) - First release
• Version 1.1 (2017-08-09) - Fixed handling of brackets, added "abs()" function
• Version 1.2 (2018-01-02) - Fixed handling of brackets

License

NiCalc is FLOSS (free/libre and open-source software).<br> All files in this repository are licensed under the GNU General Public License version 3 (GPLv3).<br> Copyright 2017-2020 Simon Krauter