
WolframAlpha
SpeedCrunch
Qalculate!
Symbolab
Photomath
Mathway
Numi App
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."

LeetCode
Codechef
AlgoExpert.io
Project Euler
Interview Cake
Coderbyte
interviewing.io
Programming competitions and contests, programming community.

Which is more popular?
Based on our record, CodeForces seems to be more popular. It has been mentioned 82 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fxsolver.com | codeforces.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 CodeForces 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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
fxSolver Demo
How to Start Competitive Programming on Codeforces? Virtual Contest? Div1? Div2? Div3? Rating Logic
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Codeforces is a competitive programming platform that hosts coding contests and provides a platform for programmers to showcase their skills. It offers a wide range of programming challenges and problem-solving...
CodeForces is a collaborative platform where coders can participate in “rounds” where a time limit is set and points are distributed to the participants. CodeForces also has contests, problem sets as well as groups...
Recommendations tracked on public social media and blogs since March 2021.


Tracking fxSolver since Mar 2021.
Your preparation should not be random. Platforms like LeetCode, Codeforces, and GeeksforGeeks are tools—but what matters is how you use them. - Source: dev.to / 6 months ago
Most people who do competitive programming have moved to: . - Source: Hacker News / 10 months ago
At first, the problems on platforms like Codeforces felt overwhelming. But after a few rounds, I realized something important:. - Source: dev.to / about 1 year ago
When comparing fxSolver and CodeForces, 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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Practice and level up your development skills and prepare for technical interviews.
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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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CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.
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Qalculate! is a multiplatform multi-purpose desktop calculator.
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A better way to prep for tech interviews
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