This is part 2 of the Simple Calculator.

Simple Calculator Tutorials
Tutorial 4 - Data Types, Variables, Classic String Conversions and a Simple Calculation
Tutorial 5 - RadioButtons
Tutorial 6 - Data Parsing, Error Checking and User Friendly Interface

RadioButtons hold a Boolean value of either true or false (Checked or Unchecked)
Only one RadioButton, in a group can be checked at one time

Code Download
VBT5.zip