Formulas for finding the area, perimeter, etc. of a quadrilateral.

License. The materials (math glossary) on this web site are legally licensed to all colleges and students in the following states only: Hawaii

The Math Forum created Problems of the Week as an integrated program that features problems by standard and additional teacher support materials.

You can also use your knowledge of price in dollars per square foot to figure out the total cost of a project. For example, perhaps a contractor has quoted you a price of $10 per square foot to refurbish an office that measures 1,000 square feet.

Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly.

The steel square is a tool used in carpentry.Carpenters use various tools to lay out structures that are square (that is, built at accurately measured right angles), many of which are made of steel, but the name steel square refers to a specific long-armed square that has additional uses for measurement, especially of various angles.

Use our square foot calculator to learn how to calculate square footage. Information on the square foot formula for calculating in yards, feet, and inches.

How to Calculate BTU Per Square Foot. The British Thermal Unit (BTU) is the basic measure of heat energy in the Imperial system. One BTU is defined as the amount of heat necessary to raise 1 pound (0.454 kg) of water 1 degree Fahrenheit

When getting a price based on area, like carpet or painting services, you may get a quote based on square meters. To figure out the cost per square foot, you can use a simple conversion factor.

Math Fact Cafe – design your own flashcards or have the computer do it for you. A really neat way to practice those basic facts!