# How to Calculate GCD?

The greatest common divisor (GCD) of two numbers is the largest number that divides evenly into those two numbers. For example, 2 is the GCD of 4 and 6 because it's the largest number that divides ...
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http://www.ehow.com/how_8262317_calculate-gcd.html

## How to Calculate TVP?

TVP, or Textured Vegetable Protein, is a registered trademark for a shelf-stable, protein-rich soy product made by Archer Daniels Midland. It is used as a meat substitute or a long-lived emergency ...
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http://www.ehow.com/how_7368838_calculate-tvp.html

## How to Calculate SF?

The acronym SF refers to square footage, the total area (size) of an object. Determining the square footage is a simple calculation.

http://www.ehow.com/how_8325862_calculate-sf.html

## How to Calculate E = MC2?

It may not be obvious, but a blazing campfire relies on the principles contained in Einstein's famous equation, E = mc^2. This equation demonstrates the relationship between mass and energy. These ...
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http://www.ehow.com/how_8208976_calculate-mc2.html

## How to Calculate R-Value?

R-value is an experimentally determined measurement that gives an indication as to the heat loss that can be anticipated through a material. R-value is traditionally represented in either SI, Inter...
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http://www.ehow.com/how_8138104_calculate-rvalue.html