ModCalc is a modular arithmetic calculator. ModCalc supports basic modular operations, modular inversion, modular powering, gcd, lcm, Jacobi symbol and Solovay-Strassen primality test (30 iterations).
Version history
1.6
2021-03-08
Minor changes
1.5
2018-01-25
Updated compilance with iOS 11.
1.4
2014-12-18
Added support for iOS 8.
1.3
2012-02-02
Improved primality testing
Added "remember last" buttons. You can hold down button to remember last result and then you can use remembered value whenever you want. To change remembered value just hold down button once again.
1.2
2011-12-08
Added Jacobi symbol and Solovay-Strassen primality test (30 iterations).