The latest version of PCalc is a great calculator whether you want a simple or complex calculator. You can choose any of several styles for the keys and display. Ten memories are available. PCalc has many configuration settings, making it very flexible, but its default settings are excellent. Its great right out of the box. PCalc is the best general purpose calculator Ive found. PCalc continues to be well-supported during my many years of using it. GET IT!