JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable in a file using SED, you need to understand what SED is, the syntax of SED, and ...

Variables and graphs Math Notes lets you make use of variables. Credit: Lifehacker Math Notes can handle variables, too—so letters can stand in for numbers inside your expressions.

How to Use Tab Names as Variables in Excel. When you type data into an Excel workbook, the sheet's name appears in a tab at the bottom of the application window.