Let's face it: Even the best budgets can't always predict your actual expenses. Things happen. Unexpected costs arise. That's life. That's why it's so useful to review your budget after a project is ...

Calculating how far a number has declined from one year to the next is pretty easy if you are only considering a one year period. You subtract the current year's number from last year's number, then ...

How to calculate percentages is easier than you think. Quick, what’s 36% of 25? Or how about 250% of 20? Learn a quick and dirty tip to help you calculate all of those pesky percentages in your head.

Understanding the profit you can make selling products is the first step in analyzing the potential of the market for those products. Profit margin can be expressed as a dollar figure or as a ...

Learn how to calculate the CAGR in Excel with a simple formula. Analyze investment growth using the beginning and ending values, along with the investment period.

I was recently looking for a simple percentage calculator for iPhone and I came across OffOf, an app developed by Daeo Corp. and available for free on the App Store. As the name suggests, OffOf lets ...

To calculate percentage, sum obtained marks and divide by total maximum marks, then multiply by 100. Students should follow ...

Let's face it: Even the best budgets can't always predict your actual expenses. Things happen. Unexpected costs arise. That's life. That's why it's so useful to review your budget after a project is ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Long time math fans may remember our first foray into the world ...