Matrix Calculator

Matrix Calculator is a clean and reliable Android utility for working with matrices.
Enter values quickly, perform operations instantly, and optionally view step-by-step solutions.

Designed for students, engineers, and anyone who needs fast matrix calculations on the go.

Features
Two-matrix operations

• Add, subtract, multiply matrices
• Scalar multiplication
• Automatic dimension validation
• Swap matrices A ↔ B
• Fill example matrices
• Copy results instantly

Single-matrix tools

• Transpose
• Determinant
• Inverse
• Trace
• Rank
• Row Echelon Form (REF)

Step-by-step solutions

• Matrix multiplication walkthrough
• Determinant calculation steps
• REF transformation steps
• Inverse via augmented matrix elimination
• Matrix previews and final summaries

Saved matrices & history

• Save matrices for later use
• Rename, duplicate, delete
• Load saved matrices into calculator
• Calculation history
• Quick templates (identity, Hilbert, and more)

Settings

• Light / Dark / System theme
• Decimal precision control
• Default matrix size
• Show steps by default
• Row/column highlighting in steps
• Auto-save history
• Reset preferences

Who it's for

Perfect for:
• Students
• Engineers
• Teachers
• Anyone working with linear algebra

Privacy

Your data stays on your device.
Matrix Calculator works offline and does not require internet access or unnecessary permissions.