## Which is cheaper?

Have you ever had to compare $1.25 for a pound verses$2.37 for 72 oz? This calculator was built by a student to help his mom when shopping. It does the math and recommends the best price.

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## Every branch of Chemistry can be at your fingertips

Use vCalc's many chemistry calculators to examine basic principles of Chemistry.

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## Holiday Bonus ... in Iran

A student at Morgan State build a free calculator for her friends and family back in Iran. It's a simple calculator to compute their annual No-Rooz holiday bonus.

> Let's Get Solving!

## Frustrating frustums!

Did you know that the slice of a geometric shape is a frustum? Here is a calculator dedicated to volume, surface area and mass formulas for cone, pyramid and other frustums.

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