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

GnuPlot
Grapher
Matplotlib
GeoGebra
GeoGebra CAS Calculator
Graph
timeplotters
A simple plotter and numerical solver, which can plot CSV style plain text files with numerical data separated by whitespace, as well can numerically solve equations and ODEs to generate data and plot them for studying dynamical systems.

Which is more popular?
Based on our record, Qalculate! seems to be more popular. 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 | github.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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.
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Walkthroughs and reviews on video.
DSP Raspberry Pi 4 Qalculate! Install
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Qalculate! and SSPlot. 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 / 9 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
Tracking SSPlot since Jan 2025.
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Gnuplot is a portable command-line driven interactive data and function plotting utility.
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Put Grapher’s powerful graphing and data analysis features to the test and better understand your data. Learn about features and download a free trial.
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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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matplotlib is a python 2D plotting library which produces publication quality figures in a variety...
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