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by seltzered_ 2042 days ago
I came to the comments to shill for http://calca.io . For the most part has just worked and have used it in training videos, client emails, rough math sketches, etc. And the output is just markdown-formatted plaintext so you can still use it for reading purposes without the app.
1 comments

From their website

> 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.

This looks really cool. Thanks for the recommendation