Alternatives
Products that do what CustomKeys Programmable Calc does
Calculator with fully customizable keys layout and colors.
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2021 · mkhan45.github.io
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A new calculator software cannot really bring attention (https://chachatelier.fr/chalk/) However, I wrote a full article explaining why I had to build something "new" that does not behave like usual desktop calculator softwares : TL;DR All "small" calculator softwares I know share the same design flaws. And the GUI is not the only stumbling block in their poor efficiency. Handling correctly numerical approximations - expected or not - is crucial to trust the results. It is usually not done in lightweight tools. It should. So I prove that if I could do it, OS manufacturers…
2022
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Here's something different than your usual fare: A physical keypad that lets you directly type math! Ever tried typing mathematical equations in your code IDE, email, or on Slack? You might know it can be tricky. Mathpad solves this with dedicated keys for Greek letters, calculus symbols, and more. Press the ∫ key and get ∫, in any application that accepts text. It uses Unicode composition, so it works everywhere: Browsers, chat apps, code editors, Word, you name it. Basically, anywhere you can type text, Mathpad lets you type mathematics. I built Mathpad after getting frustrated with the…
2025 · crowdsupply.com
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2016 · knightos.org
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2023 · github.com
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Mobile keyboards today are almost entirely based on the 26-key, 3-row QWERTY layout. Here’s a new 2-row, 16-key alternative designed specifically for smartphones.
Dec 2025 · k-keyboard.com
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Hey HN, This is a bit of a weekend project that I'm currently trying out. When I'm changing the layout of my moonlander, I wish there was a way to change the labels of the keys as well. So I thought about making some label stickers that sit over the key, and after some experimentation I'm pretty happy with the results, however I need a few other "keyboard buddies" to make it economical. So I'm introducing https://kapd.au as a way for people to download the same template I used, and send it to me to get it printed out. I run in batches of 8 and while atm the prices are a little…
2022 · kapd.au
- 15IG
I’ve always found that online calculators tend to have bad UIs, especially on mobile. Most of the calculator websites I’ve come across use outdated and inconvenient ways of inputting data, or they format the results in confusing ways. I’ve noticed that fraction calculators (especially mixed fractions) are terrible to use, even on desktop. I haven’t built one of those yet, but it’s something I’m planning to tackle soon. This is a project I’ve always wanted to work on, but I’m relatively new to this space. So far, I’ve created a collection of simple calculators focused on math and finance. I’d…
2025
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2019 · github.com
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2022 · calc-o-pad.thejunkland.com
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Add notes to calculation history, reimagined memory function
Oct 2025
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2020 · shortkeys.app
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