This is awesome! I currently use numpad[0] for this, but would much prefer a local app. I would love to switch but the only thing holding me back is lack of Vim support. Are there any plans to add Vim keymap in the future? 0: https://numpad.io/. - Source: Hacker News / 6 months 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

My side project NumPad https://numpad.io got me my current job at Decipad https://www.decipad.com/ (the similar naming scheme is a coincidence!). I came across Decipad while looking for a job, and messaged the founder, highlighting my work on NumPad. They were impressed enough that the hiring process ended up being just a few interviews, I've been there for almost a year now, and it's been pretty good! If there's... - Source: Hacker News / 7 months ago

Love all of these, here's another one from earlier this year: https://numpad.io/ Discussion: https://news.ycombinator.com/item?id=32493946. - Source: Hacker News / over 1 year ago

Shout out to https://instacalc.com/ . It's like a simple spreadsheet or calculator but with awesome support for dimensional analysis -- you can attach any units you want to a quantity and it will track it throughout the calculations. For example, here's a quick scratchpatch I used for calculating memory bandwidth / CPU transfer rates: https://instacalc.com/56842. - Source: Hacker News / 9 months ago

Neat! I used to use https://instacalc.com/ for simple calculations, you can share your calculations, but it doesn't have the notepad feature like this one. - Source: Hacker News / over 1 year ago

In the wide niche on the complexity scale between your basic Windows* calculator and MATLAB sits instacalc.com. Source: over 2 years ago

For quick ad-hoc calculations I like https://instacalc.com/ because:. Source: about 3 years ago

Surprised no one has mentioned https://instacalc.com yet. Not a native Mac app but genius. - Source: Hacker News / about 3 years ago