HiDigit - Version 1.0 HiDigit is a new calculating software with extended capabilities. This is an essential application for math, algebra, calculus, geometry, physics and engineering students. The main advantage of the software is a simple input format even for the most complicated formulas. For example, you can enter 10piinstead of "10*pi". This scientific calculator works with complex numbers, keeps record of previous actions; both mouse and keyboard can be used.