Kalk Is A New Powerful & Open Source CLI Calculator App For Developers


If you’re a terminal enthusiast who always looks for command-line applications instead of graphical apps, then this new Kalk command-line utility might interest you to perform all your mathematical calculations.

Kalk: Command-Line Calculator App For Linux, Windows, And Mac

Kalk is the latest powerful command-line calculator application developed by Alexandre Mutel aka xoofx, especially for developers.

Currently, it supports 64-bit Windows, macOS (High Sierra and higher), and 64-bit Linux-based (distributions supporting DPKG and RPM packages) operating system platforms.

If you’re using Windows, you can download it from the Windows Store. For macOS and Linux, you can run the commands as given here.

Kalk CLI Calculator App
Kalk CLI Calculator App

Speaking of its capabilities, it offers more than thousands of built-in functions with a powerful language to automate calculations.

And if you want to know information about all the functions available in Kalk without googling on the web, it also comes with integrated documentation.

The only thing you need to do is type help <function-name> in the app and it will give you details of that function with examples.

Integrated Help
Integrated Help

Kalk command-line calculator also provides the following unique features:

  • Developer mode
  • Syntax highlighting
  • Cursor on error
  • Braces matching
  • Keyboard shortcuts, including defaults and user-defined for expressions or actions
  • x86 Intel Hardware intrinsics from SSE to AVX2

Furthermore, in order to extend the basic calculator experience, Kalk has support for several modules that let you manipulate strings, perform web queries, file operations, loading/parsing CSV, currencies, and standard unit conversions.


If you want to know how to use these modules, head over to the official documentation here.

Sarvottam Kumar

Sarvottam Kumar

Sarvottam Kumar is a software engineer by profession with interest and experience in Blockchain, Angular, React and Flutter. He loves to explore the nuts and bolts of Linux and share his experience and insights of Linux and open source on the web/various prestigious portals.
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