Popular Articles

Read some of the most popular articles on Had2know below, or use the category navigation on the left to read all of our features.

Free Printables

Business Math and Financial Calculators

How to Find the Future Value of an Annuity
Student Loan Payment Calculator
Four Key Business Ratios
10 Key Ratios in Stock Trading and Investing
Using the Rules of 69, 70, & 72
How to Calculate Acid Test Ratio (Quick Ratio or Liquid Ratio)
Difference Between Price Markup and Gross Profit Margin
How to Calculate Graduated Payment Mortgages
What is the Maximum Interest Rate I Can Afford?
What is Yield to Maturity? (Bond Valuation)
How Does a Biweekly Mortgage Differ from a Monthly Mortgage?
How Long Will It Take to Pay Off a Loan?
How Much Can I Afford to Borrow?
What is Amortization?
How to Calculate the Remaining Balance on a Home Mortgage
How to Compute the Margin of Error
How to Compute Geometric Mean Return
How Long to Pay Off Credit Card Balance If Making Minimum Monthly Payments
Savings Account Calculator
Retirement Savings Calculator

Mathematics and Homework Help

Home and Garden


Careers and Training

Technology and Computing

Health and Fitness