The calculators I enjoy using are the notebook-like ones such as Insect or Parsify. I found this to be a good project idea for learning a new programming language. Building such a calculator requires a parser implementation and UI implementation. Once the basic calculator is done, enhancements and technology exploration are endless possibilities. Consider a currency conversion feature that takes real-time data... - Source: dev.to / 11 days ago

I ended switching to Parsify after trying Numi and Soulver, and I've been happy. I think it's a good app that deserves more attention. Source: almost 2 years ago

This looks fantastic. I will definitely give it a spin. I've been tracking what I call "computational scratchpad" apps for a while now but haven't found one that fits my environment/workflow yet. Maybe Heynote will. Here are some others that I've looked at: * https://soulver.app Granddad of them all, Mac-only, proprietary, expensive * https://numi.app Mac-only, proprietary, semi-expensive. Has a Github and claims... - Source: Hacker News / 6 months ago

I made a list of calculators like this which were shared here on HN over time https://gist.github.com/SMUsamaShah/6546011091d53380354484a3bb660ec2 From these https://bbodi.github.io/notecalc3/ and https://notepadcalculator.com/ are the most programmer friendly (supporting <<, ^, binary, hex etc). - Source: Hacker News / over 1 year ago

For quick calcs I like http://notepadcalculator.com/. - Source: Hacker News / over 2 years ago