Simple calculator, try urlcalc.com/1+2
Simple calculator, try urlcalc.com/1+2 launched on March 6, 2015 with 5 votes and more than 50% of that year's launches.
Does a similar job
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I made a web-based notepad with a built in unit calculator2022 · numpad.io · ▲488I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written. Now I've rewritten it as a PWA that supports multiple documents, persists them to IndexedDB, and has a syncing service for paying customers. Syncing is handled by Automerge[1] under the hood, which should make it relatively easy to get document sharing working too. [1] https://automerge.org/
- IGI Got Tired of Calculator Sites, So I Built My Own2025 · ▲58
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 Most of the calculator websites I’ve come across use outdated and inconvenient ways of inputting data, or they format the results in confusing ways.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…
- NSNotepad Style Online Calculator2020 · type-calc.herokuapp.com · ▲6
- PGPayment Gateway Calculator2019 · founderhacker.com · ▲8
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Source: Show HN post ↗
Launched alongside, March 2015
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Get paid via $cashtags for things you do online or in person
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