Half math, half conversions, this is the app to get your everyday conversions and tedious math tasks done in the snap of a fingerNo need to have to have to write out equations or pay 4 bucks for another app when this is cheaper and in many ways, even betterFeatures: Temperature Converter - Convert between Fahrenheit, Celsius, and Kelvin Number Converter- Converts between fraction, decimals, and percents Metric/Standard Converter- Convert between metric and standard units- Allows you to specify prefixes (milli, kilo, etc.) for metric units for more efficient converting Time Converter- Converts between various units of time ranging from seconds to centuries Density/Mass/Volume Calculator- Calculate density, mass and volume Geometry- Calculates the area of various shapes- Finds the missing side of a triangle with the pythagorean theorem- Finds the circumference of a circle Graphing- Drag points around on an interactive graph that will automatically calculate the coordinate, midpoint, and distance between the two points (iPad only)- Also allows you to enter the point's coordinates manually for points that wouldn't fit on the graph (iPhone and iPad) Percents- Calculates the percent of error, percent increase, and percent decrease between two numbers Energy- Calculates joules in terms of work, kinetic, electric, and heat energy Change Calculator- Calculates change and tells you the easiest way to make the change Tax Calculator (NEW!)- Calculate what the price of something is with tax in all 50 US states