App Shopper: Matrix Solver (Education)

App Activity

Oct 29 '12	Version 1.0.1
Mar 05 '10	New App: $.99, v1.0

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Matrix Solver

iOS iPhone

Perform matrix addition, subtraction, multiplication, trace, inverse, transpose, and determinants with this matrix calculator.

Features include:
- Full support of matrix addition, subtraction, multiplication, trace, inverse, transpose, determinant
- Performs matrix expressions in one line -- for example, type inv(A)*B or any other expression into the formula input
- Includes a four-function calculator - just type in your expression into the formula
- Change matrix size with a picker bar -- just tap "Size" from the "Edit Matrix" window
- Send comments and questions in-app -- if you have trouble using the app, just e-mail me!

Basic Instructions:

- Tap "Edit" from the main window to edit your matrices
- Select your matrix name and size from the picker
- Enter your matrix using the keypad, using the arrows to move around the matrix
- Tap "Change Matrix" to enter a new matrix, "Size" to change the matrix size
- Tap "Done" to return to the matrix solver

- Enter your matrix expression using the keypad, and tap the "=" sign
- Your result will appear either as a matrix or as a value
- Tap "About", then "Report Bug" if you have any questions about how to use the solver