
WolframAlpha
SpeedCrunch
Qalculate!
Numi App
Wolfram Mathematica
Symbolab
Soulver
fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."

Cursor
GitHub Copilot
Claude Code
TabbyML
Windsurf Editor
Zed
opencode
Void is an open source Cursor alternative. Full privacy. Fully-featured.
Which is more popular?
Based on our record, Void Editor seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fxsolver.com | voideditor.com |
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In their own words, as submitted to SaaSHub.


Calculate multiple equations at once, Edit existing formulas and Create new ones, Compute large numbers of values, Plot graphs, Link your results, Solve full problems and Share worksheets with your friends. fxSolver is a free tool developed by a team of engineers and programmers with the sole...
No description of Void Editor yet.
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
No analysis of Void Editor yet.
Walkthroughs and reviews on video.
fxSolver Demo
No Void Editor videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using fxSolver and Void Editor. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Void Editor yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking fxSolver since Mar 2021.
Maybe I'll use the remainder of my subscription time to help improve Void. It's already pretty good. https://voideditor.com/. - Source: Hacker News / about 1 year ago
Void is basically the same thing, but open source and better. It's easy to use with any provider API key, even LM Studio for local models. You can use it with free models available from OpenRouter to try it out, but the quality of output... - Source: Hacker News / over 1 year ago
Currently editing in Cursor, using agents heavily as I'm a solo dev with limited time. Been exploring running models locally and looking into Zed & Void (https://voideditor.com/). Anyone have opinions on these? Downloading both to try... - Source: Hacker News / over 1 year ago
When comparing fxSolver and Void Editor, you can also consider the following products.

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.
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The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
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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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Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.
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Qalculate! is a multiplatform multi-purpose desktop calculator.
Compare Qalculate! to fxSolver or Void Editor:

Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.
Compare Claude Code to fxSolver or Void Editor: