Perseverance Calculator

This is a calculator with customizable math buttons. You can create your own custom math buttons with this calculator. It allows you to create, store, test, and customize formula expressions. This is also a graphing calculator and a programmable calculator. The program functions from the program tag can be used (similarly to programming) to create a a custom function button.

Visit my website's PC Documentation to learn how to use this calculator or view the tutorial at my website to see what you are buying. Remember to check for updates in the store.