
Gleam Language
Lua
Python
JavaScript
Java
Ruby
C#
A fast, friendly, functional language.

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

Which is more popular?
Based on our record, Roc Programming Language seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | roc-lang.org | calcumber.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Roc Programming Language yet.
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.
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Calcumber yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Roc Programming Language and Calcumber.
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 Roc Programming Language and Calcumber. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


> Do you mean isolating build scripts by using a VFS mapped to the real FS and masking away everything the build script should not have access to? Yes. Essentially the idea was to find the source control root (or something configurable)... - Source: Hacker News / 3 months ago
I'm looking at https://roc-lang.org Maybe once it matures, it could have the strengths of TypeScript and Haskell. - Source: Hacker News / about 1 year ago
Tracking Calcumber since Jul 2026.
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