It's a PRO Version of Matrix Calculator - Gaussian Elimination - Cramer's Rule.
It's easy to use with eye-catching User Interface.
Designed to solve matrix problem with well explanation.

Support Complex Number.
Input matrix up to 5×5.
Save your matrices and equations as many as you WANT.
Solve your equations by Gaussian Elimination.
Solve your equations by Cramer's Rule.
Solve your equations by Matrices

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PRO Feature :
1) Save your Matrix as many as you WANT
2) Save your Equation as many as you WANT
3) Save matrix result as many as you WANT
4) Inverse matrix up to 5×5
5) Determinant matrix up to 5×5
6) Solve your equation up to 5 variable
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How to back up data from FREE Version :
1) Go to Settings in FREE Version
2) Click Back Up Data
3) Go to Settings in PRO Version
4) Click Get Back Up Data
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Feature :
1) Save your Matrix
2) Save your Equation
3) Save matrix result
4) Pick your own THEME
5) Set decimal places
6) Input complex number
7) Input random Matrix
8) Input random Equation
9) Input identity matrix
10) Input zero matrix (Clear matrix)
11) Input scalar

Operation:
1) Solve equation by Matrices
2) Solve equation by Gaussian Elimination
3) Solve equation by Cramer's Rule
4) Inverse matrix up to 5×5
5) Determinant matrix up to 5×5
6) Multiplication matrix
7) Addition matrix
8) Subtraction matrix
9) Transpose matrix

Enjoy the app!

Free Version :
https://play.google.com/store/apps/details?id=com.sandyhendrawan.matrix