4.0
2019-11-01
Support for iOS 13
Bug Fixing and performance improvements
3.0
2018-09-24
Updated to work with iPhone Xs / Xs Max
Updated to iOS 12
Bugs fixed
2.7
2016-09-13
Entering matrix elements is now much easier
Updated to iOS 10
2.6
2016-01-18
- Fixed a bug in the PLU factorization
- Added a switch to turn buttons' sound off
2.5
2015-12-11
* iOS 9 fixes
2.4
2013-09-18
■ Completely redesigned for iOS 7
■ Trigonometric functions (real and complex numbers, real and complex matrices)
2.3
2011-12-13
* Accuracy of calculations with real numbers improved
* Stability and memory management improved
* Help instructions for solving linear systems added
* Fixed error in the calculation of the eigenvalues and eigenvectors of matrices with 0 as the first element
2.2.4
2011-02-12
* Number 1+i is now interpreted as 1+i1 and not as 1+i0
* Improved the calculation of the eigenvectors
* Fix to enter numbers like 2e2+i7.2e2
* Fix for the right repositioning of elements in the stack
2.2.3
2010-12-02
Update to work properly on ios 4.2.1
2.2.2
2010-11-08
* Fixed bug that prevented application start on ios 3.1.3
* Key x √ y functioning restored
* Stability Improved
2.2.1
2010-09-30
Fix for bug that prevented opening the help on iPad
Fix for correct positioning of the dialogues on iPad
2.2
2010-09-24
* New user interface with horizontal scrolling keyboard
* iOS4 high resolution graphics supported
* User manual
* Exponential notation
* Memories and memories list
* Real and complex matrix Hessemberg decomposition
* Complex numbers can be entered as real and imaginary part or as modulus and phase too
2.1
2010-02-23
* Eigenvectors calculations for real and complex matrix
* Real and complex matrix exponential
* Real and complex matrix natural logarithm
* Speed optimization of matrix inversion
* Editing/inserting number is shown in red color
2.0
2009-12-23
* Complex Matrices
* Complex and real eigenvalues of real matrices
* Eigenvalues of complex matrices
* Matrices' size without limitations
* Complex numbers
* New keyboard for entering matrix's elements
1.1
2009-11-21
* Some bug fixed
* Calculation in progress indicator
* QR decomposition
* PLU decomposition
* Eigenvalues calculation
* Stack grown up to 10 elements
* Tapping on the stack user can delete and move elements directly onto the stack
* Result matrix's name reflects the operation performed