# How to Calculate Surface Pressure?

Surface pressure calculation determines force area for an individual unit. In numerical terms, Force (F) divided by Area squared (A) equals Surface Pressure (P). Blaise Pascal, the French physician...
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http://www.ehow.com/how_8352139_calculate-surface-pressure.html

## How to Calculate the Surface of a Sphere?

The surface area of a sphere is like its shell. Calculation of that shell is accomplished by the following equation: surface area = 4 * pi * radius^2. The radius is the measured distance from the s...
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http://www.ehow.com/how_8064659_calculate-surface-sphere.html

## How to Calculate Surface Density?

Surface density is the mass of an object per unit of area. You express it in kilograms per square meter and it is useful in determining thickness of materials such as paper, foil and textiles. You ...
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http://www.ehow.com/how_7915482_calculate-surface-density.html

## How to Calculate the Surface Charge Density?

To calculate the density of anything, you simply divide the amount or number of the things by the area they occupy. To get human population density for a given location, you divide the total number...
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http://www.ehow.com/how_8326234_calculate-surface-charge-density.html

## How to Calculate the Surface Area of a Mineral?

Generally speaking, minerals such as quartz, calcite, and hematite do not have a physical structure that constitutes a perfect geometric shape. They tend to be rocky formations with many jagged noo...
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http://www.ehow.com/how_8480984_calculate-surface-area-mineral.html