.HDKEY

.HDKEY file extension

This is the basic program to work with .HDKEY extension

HiDigit

HiDigit HiDigit key-file

HiDigit is a new calculating software with extended capabilities. It is recommended for use by math, physics and engineering students and teachers. The main advantage of the software is a simple input format even for the most complicated formulas... (more)

The program works with the following extensions: hdkey