A PATH variable stores directory shortcuts. Learn How to add, modify or edit a PATH Environment Variable in Windows 11/10.

You can find or see names and values of Environment Variables in using Windows Settings, Registry, Command Prompt and PowerShell.

Discover how to calculate contribution margin, a key profitability metric, by subtracting variable costs from sales revenue. Learn how it impacts business decisions.

Discover the differences between fixed and variable interest rates. Learn how they work, their pros and cons, and which might be best for your financial needs.