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Work · May 30, 2021

kalker

A calculator that supports math syntax, complex numbers, etc

kalker launched on May 30, 2021 with 70 votes, #865 of 3,504 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 5 years on.

Visit kalker.xyz ↗kalker alternativestop 25% of May 2021

What it does

kalker is a calculator that has syntax highlighting, automatically turns names into symbols (eg. sqrt to √), supports math-like syntax (eg. f(x) = x(2sinx + 3) estimation of derivatives and integrals, complex numbers, and runs in the browser using WebAssembly.

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

You can type special symbols (such as √) by typing the normal function or constant name and pressing tab. Functions are defined with the following syntax: name(param1, param2, etc.) =from kalker.xyz

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