Hissab
Hissab is a strict, unit-aware natural-language calculator for exact units, dates, finance, developer math, and AI-agent workflows. Free, open-source, and installable.
Hissab launched on July 25, 2023 with 108 votes, #514 of 4,347 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Numi is a calculator application that lets users type and compute mathematical expressions instantly. Designed for anyone needing quick calculations, it functions as a flexible alternative to traditional calculators. The tool accepts typed input rather than button clicking, making it accessible for everyday math tasks and life calculations. It launched in September 2023.
written from the facts on this page · September 2026
From the sources
Hissab is a text based calculator app that does way more than calculations. Hissab is useful for performing quick calculations as well as complex workflows. Hissab can do unit and currency conversions, date, time & timezone operations and so much more.
Does a similar job
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Source: Product Hunt launch ↗
Launched alongside, July 2023
the whole month →

Hey everyone, I here is a small open-source project I've been working on lately. I'd love to hear your thoughts and improvement ideas :) GitHub: [github.com/Vincenius/workout-lol](https://github.com/Vincenius/workout-lol)
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