## 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!

## Ever wonder how thin our atmosphere gets at high altitudes?

If you're interested in studying environmental effects on the atmosphere let vCalc help you examine Barometric Pressure as a function of altitude in the lower Earth atmosphere.

> 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.

> Try Out This Calculator Now

## 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.

> Try Out This Calculator Now