
Numara Calculator
SpeedCrunch
Qalculate!
Numi App
Soulver
Numby
Engineering Equation Solver
Calculate in a notebook and share — from everyday math to engineering.

Sync and forward messages between Discord and Telegram automatically. Supports Discord-to-Discord and Telegram-to-Telegram forwarding too.

Website, pricing, platforms and company facts side by side.
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| Website | calcumber.app | forwardmsg.com |
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| Platforms | — | |
| Company | Startup from Switzerland · 1 - 9 employees · 2025 | Startup from the United States · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.
ForwardMsg is a powerful message forwarding tool that automatically syncs messages between Discord and Telegram. Whether you need Discord-to-Telegram, Telegram-to-Discord, or even Discord-to-Discord and Telegram-to-Telegram message forwarding, ForwardMsg delivers real-time, reliable performance....
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As answered by people managing Calcumber and ForwardMsg.
Calcumber's answer
Calcumber's answer
Calcumber's answer
When starting for a Master of Advances Study in Energy Systems, I was looking for a suitable state-of-the-art calculator. Then I built my own Calculator Calcumber and now the Eastern Switzerland University of Applied Sciences is using Calcumber for teaching students in thermodynamics.
Calcumber's answer
Calcumber's answer
HTML, CSS, TypeScript, PWA, CoolProp
Calcumber's answer
Share your experience with using Calcumber and ForwardMsg. For example, how are they different and which one is better?
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SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
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Qalculate! is a multiplatform multi-purpose desktop calculator.
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Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
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A natural language calculator for your terminal and macOS
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