NumWorks
The graphing calculator that makes learning math easier.
NumWorks launched on August 29, 2017 with 196 votes, #147 of 3,214 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 9 years on.
What it does
The graphing calculator that makes learning maths easier Ergonomic, open source and evolutive, the NumWorks graphing calculator is designed for today’s needs with today’s technologies. NumWorks makes learning maths easier for everyone: professors or students… and it perfectly suits the whole high school curriculum.
Discover the NumWorks graphing calculator: intuitive and easy to use, it makes every high schooler a math person!
The Board is a digital tool that expands the intuitive NumWorks experience to a larger screen. Making math more visual, dynamic and interactive. Crafted from teacher feedback and inspired by the intuitive app-based interfaces students know, NumWorks offers a modern, user-friendly upgrade from traditional calculators. High school math departments may be eligible for free sample calculators to explore. 89% of educators * believe that the NumWorks calculator is the best tool to prepare their students for high stakes exams. *Taken from a 2025 survey of 243 teachers who use NumWorks in their classes. I loved NumWorks so much I talked my department and school into getting class sets, and we now…from numworks.com
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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/





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