Linear equation systems solver — Cramer's rule, step-by-step
About System of equations Solver
System of equations Solver is an education app developed by Serhii Liamtsev.
Download Statistics
System of equations Solver has been downloaded 87 thousand times. In the last 30 days, the app was downloaded 390 times.
User Ratings
System of equations Solver is rated 4.00 out of 5 stars. The rating is based on 200 ratings.
App Information
System of equations Solver is FREE to download. The APK download size is 23.16 MB. The latest version available is 6.9.4. The last update was on December 7, 2017.
Technical Requirements
System of equations Solver requires Android 4.2+ or higher. The app has a content rating of Everyone. The app has been available on Google Play May 2017.
Description
Solve systems of linear equations step-by-step using Cramer's rule — see every determinant, every calculation, every answer.
Unlike calculators that only show the final result, this app walks you through the complete solution process: the main determinant, each variable's determinant, and the value of every unknown. If your answer differs from the app's, you can see exactly at which step.
Select the system size, enter your coefficients and constants, and tap Solve. The app computes and displays:
• The main determinant (det) • Each variable's determinant (det₁, det₂ … det₆) • The coefficient matrix with clear layout • The final value of every variable (X₁ through X₆)
When the main determinant equals zero, Cramer's rule does not apply — the app detects this automatically and tells you, so you know to switch to Gaussian elimination instead.
KEY FEATURES
Step-by-step solution Every determinant is shown individually with its full calculation. Follow the math at your own pace or pinpoint exactly where your manual solution differs.
Built-in Cramer's rule theory Tap the theory section on the main screen for a concise explanation of Cramer's rule — what it is, when it applies, and a fully worked example — all available offline, no internet needed.
Random fill One tap fills all input fields with random values. Use it to explore the app, generate instant practice problems, or quickly test edge cases.
Share solution as image Export the complete solution screen as an image and send it via any app on your device — useful for sharing with a classmate, submitting to a teacher, or saving your work.
Dark and light themes Choose the theme that suits your environment. Your preference is saved and restored every time you open the app.
Works offline The entire app — solver, theory, and all content — works without an internet connection.
WHO IS IT FOR?
• Students studying linear algebra or preparing for exams • Anyone checking a hand-written solution • Teachers creating or demonstrating worked examples • Curious learners who want to understand how Cramer's rule works in practice
AVAILABLE IN 80+ LANGUAGES
The full interface is translated into more than 80 languages, including English, German, Spanish, French, Portuguese, Russian, Ukrainian, Hindi, Arabic, Chinese (Simplified & Traditional), Japanese, Korean, Italian, Polish, Turkish, Vietnamese, and many more.
Download free and start solving.
Recent changes: App version update. Screen layout bugs fixed.
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