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Life & fun · January 20, 2014

Calca

Symbolic calculator

Calca launched on January 20, 2014 with 87 votes, #196 of 1,173 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 12 years on.

Visit calca.io ↗Calca alternativestop 17% of January 2014

What it does

Calca is an advanced symbolic calculator for iOS, OS X, and Windows that

Variables allow you to store values that can be recalled later. Variables can have names with multiple words so you can keep your math understandable. Functions are your means of quickly doing lots of calculations. Functions can also be inverted so that you can solve for their parameters. Note how we were able to use the one equation for Fahrenheit temperatures f to calculate a Celsius temperature c . Linear equations can be solved simply by referencing a variable. In this example, we want to solve for x when we already know x + 5x . Matrices up to two dimensions with arithmetic, indexing, determinates, and inverses (symbolic and numeric) are supported. Matrices can also be used with the…from calca.io

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