
SpeedCrunch
Numi App
Soulver
fxSolver
SpeQ Mathematics
NumWorks
OpenCalc
Qalculate! is a multiplatform multi-purpose desktop calculator.

Learn JavaScript
Learn Git Branching
Deno
Bun.sh
Bootstrap
Learn in an interactive environment.
Which is more popular?
Based on our record, Qalculate! should be more popular than React Tutorial. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | qalculate.github.io | react-tutorial.app |
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What each product offers, as listed by its team.


Possible disadvantages
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
Qalculate! is recommended for students, engineers, scientists, and anyone who requires a robust computing tool for everyday calculations, unit conversions, and advanced mathematical functions. It's also ideal for users who appreciate open-source software and those looking for a customizable and comprehensive calculator.
No analysis of React Tutorial yet.
Walkthroughs and reviews on video.
DSP Raspberry Pi 4 Qalculate! Install
React Tutorial for Beginners
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Qalculate! and React Tutorial. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Qalculate is my favourite REPL-like calculator, although it unfortunately lacks an iOS app. It feels similar to using an HP 48-series calculator. Numbat is similar, but more... - Source: Hacker News / 8 months ago
Https://qalculate.github.io can do this also for as long as I've used it (only a couple years to be fair). I've got it on my phone, my laptop, even my server with the qalc command. Super convenient, supports everything from unit... - Source: Hacker News / over 1 year ago
Interesting project. I use command line Qalculate [1] for this (has a very similar feature set to Frink AFAICT) and Pint [2] for scripting. I feel like unit-aware calculators are hugely underused by physical engineers, it's the same idea... - Source: Hacker News / over 1 year ago
I just wanted to know if anybody took both or the react-tutorial.app course. I mostly like the flashcards part of the course. I was thinking of taking the Scrimba course and just using the other courses study materials. Source: about 3 years ago
The Jad Joubran courses on the other hand really upped my skill level and helped me make the jump from passive learning, exercises and very small projects to making legitimate web apps. That was probably the biggest/scariest jump I've... Source: over 3 years ago
I learned through https://react-tutorial.app/ and absolutely loved it. I'm also a hands-on guy. Source: over 3 years ago
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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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Numi is a beautiful text calculator for Mac.
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"Learn Git Branching" is the most visual and interactive way to learn Git on the web; you'll be challenged with exciting levels, given step-by-step demonstrations of powerful features, and maybe even have a bit of fun along the way.
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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 secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
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