kalker

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A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.

kalker screenshot 1

Cost / License

Free
Open Source (MIT)

Application type

Calculator

Platforms

Mac
Windows
Linux
Online
Android
Self-Hosted

kalker screenshot 1

kalker screenshot 2

kalker alternatives

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AltSaru added kalker as alternative to Figr
4 months ago

kalker information

Developed by
PaddiM8
Licensing
Open Source (MIT) and Free product.
Written in
Rust
Alternatives
34 alternatives listed
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Supported Languages
- English

AlternativeTo Category

Education & Reference

GitHub repository

1,915 Stars
85 Forks
42 Open Issues
Updated Sep 13, 2026

Popular alternatives

kalker was added to AlternativeTo by PaddiM8 on May 31, 2021 and this page was last updated Oct 12, 2021.

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What is kalker?

Kalker is a calculator that supports user-defined variables, functions, ambiguous syntax, derivation and integration. It runs on Windows, macOS, Linux, Android, and in web browsers (with WebAssembly).