Linear algebra, without rounding drift
Exact Fraction Matrix Calculator with Step-by-Step Row Reduction
Solve matrix problems in the browser with exact rational arithmetic, readable row operations, and static pages built for common calculator searches.
Included tools
- Matrix addition, subtraction, and multiplication
- Determinant, inverse, trace, transpose, and rank
- RREF and linear system solving with step lists
- Copy output as plain text, LaTeX, or CSV
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Frequently asked questions
What does an exact fraction matrix calculator do?
It solves matrix operations using exact rational arithmetic so values stay as fractions instead of rounded decimals.
Can this matrix calculator show row reduction steps?
Yes. The calculator can display step-by-step Gaussian and Gauss-Jordan elimination for RREF, inverse, determinant, rank, and linear system solving.
What matrix sizes does this tool support?
It supports small classroom-friendly matrices, including square matrices for determinants and inverses plus augmented systems for solving Ax = b.
Are my matrix entries uploaded to a server?
No. Calculations run locally in your browser memory, so the values you enter stay on your device during normal use.