Simple Calculator Tutorials
Tutorial 4 - shows data types, variables, classic string Conversions and a Simple Calculation
Tutorial 5 - RadioButtons
Tutorial 6 - Data Parsing, Error Checking and User Friendly Interface

Terms
Dim - Used to declare the variables

The Data Type Summery (Visual Basic) can be found on Microsoft’s MSDN Website.

Str - Converts values to strings
Val - Converts Strings to Values

Operators
+ Add
- Subtract
* Multiply
/ Divide

Code Download
VBT4.zip