All of us should know how to calculate the things that are important in everyday life. It's a lot easier than you think! If you are "rusty," the contents of this site will help to renew your knowledge. Rise more rapidly in your own profession or trade. Mentor your children without being embarrassed! Do the math with a low cost pocket calculator.

• What is a therm? Gas bills are in therms!

• $1000 at 6% interest. Value in three years?

• If simple interest is 6%, what is APY monthly?

• Equation of a straight line. Hook's Law.

• Break force of a teeter-totter with children.

• Cost per mile of a car (including purchase price).

• Direct cost of a $100,000 life insurance policy

• Force and power to move an automobile.

• Water and air power basics.

• Costs of mortgages and reverse mortgages.

• Define the calorie in the foods we eat.

• Pythagoras and hypotenuse of a right triangle.

• Gambling chances and winning.

• Approximating functions with poles and zeros.