The RPN calculator I normally use was missing a couple of features, so I made my own: https://nice-calculator.glitch.me/I've written a bit about it on @aperiodical: https://aperiodical.com/2019/02/ive-made-myself-a-calculator/
Why is this step necessary? mathstodon.xyz might not be the server where you are registered, so we need to redirect you to your home server first.
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