# Chapter 3. Usage

General usage is straight forward and similar if not identical to the way most simple scientific calculators operate. Click on the KCalc button to bring up the configuration dialog.

# 3.1. Result Stack

Each time you click the enter button or press the 'equal' or 'Enter' or 'Return' keys, the display result is written to KCalc's result stack. You can navigate through the result stack by pressing the up and down arrow keys.