Variables are much desired over constants for many reasons, mainly because they can be changed throughout the program's implementation. For example, a variable can be changed by a user entering a number in a visual text box, where a constant cannot.
[header] How to add two numbers in visual basic [title] Define the 2 numbers to be added as constants or variables. [step] In order to add 2 numbers in visual basic, you need to first set up the program to recognize them as values. Programmers can do this either by defining the numbers as constants or variables.