ReadMe - Created 12th July 2017 by Leed a.k.a. Lee'd / LeedOff Contents 1. Description 2. How to use 2.1 Troubleshooting 3. How it works 4. License information 5. Disclaimer 6. Contact 1. Description GCD Calculator is a small GUI program, written in C#, which will calculate the greatest common divisor of two natural numbers. Greatest Common Divisor (gcd) is also known as greatest common factor (gcf), highest common factor (hcf), greatest common measure (gcm), or highest common divisor. This has little use for most people, but it was a good training for GUI programs, as I generally worked on console applications instead, and if you can use it to your advantage, even better so! 2. How to use After choosing the correct version (x86 or x64), you can just double click on the .exe file to start the program. Simple as that. 2.1 Troubleshooting - Crash / Unresponsiveness : Working with big numbers the program will seem unresponsive as the calculations can be somewhat hard on the CPU. Just wait until it finishes. - "Entered natural number but does not work" : When the program tells you to "enter only natural numbers" but you have made sure that your number does only contain the characters 0 to 9 and no comma, the number is too big for the program to handle. 3. How it works It uses the Euclidean algorithm for finding the gcd. 4. License information Use it for whatever you want, as long as it's not commercial. 5. Disclaimer In case the program tries to establish any unwanted connections or behaves weirdly, please feel free to contact me (see "6. Contact") and stop using it, as you may have run into a damaged / infected version. If you download the program GCD_Calculator.exe from anywhere else than github.com/leedoff, it is your own responsibility to make sure that it is safe. If you're not sure about where you got the .exe from, delete it and download it again, this time from the official repository. 6. Contact Email: Leed_off@outlook.com Twitter: @Leed_off Facebook: @Leed.Official