App Description
The app calculate the determinant and the inverse of a: 2x2, 3x3 & 4x4 input matrix.
According to the dimensions of the matrix, you have just to insert the numbers in the proper cells and after press the corresponding calculation button:
For the 2x2 fill please the green boxes and after press the button "2x2"
For the 3x3 fill please the blue boxes and after press the button "3x3"
For the 4x4 fill please the violet boxes and after press the button "4x4"
The cells without numbers or empty are considered equal to Zero.
If the determinant is equal to Zero, the matrix is not invetible and therefore it is indicated with the "!" in the cells of the inverse matrix.
App Changes
- November 08, 2016 Initial release
- November 22, 2016 Price increase: FREE! -> $0.99
- November 29, 2016 Price decrease: $0.99 -> FREE!
- December 14, 2016 Price increase: FREE! -> $0.99
- December 23, 2016 Price decrease: $0.99 -> FREE!
- December 29, 2016 Price increase: FREE! -> $0.99
- January 01, 2017 Price decrease: $0.99 -> FREE!
- June 14, 2019 Price increase: FREE! -> $0.99
- June 14, 2019 Price increase: FREE! -> $0.99
- June 15, 2019 Price increase: FREE! -> $0.99
- June 15, 2019 Price increase: FREE! -> $0.99
- June 15, 2019 Price increase: FREE! -> $0.99
- June 16, 2019 Price increase: FREE! -> $0.99