Row Reducer
Interactive row reduction with exact arithmetic.
Start from a matrix
×
Start from a linear system
Builds the augmented matrix [ A | b ] for the system.
Enter your matrix
Entries can be integers (-3), fractions (1/2), or decimals (0.25).
Click the gap between two columns to toggle an augmentation line. Press Enter when you’re done.
Current matrix
Scale
Swap
Replace