RadioWORKS 1.0
RadioWORKS is a tool for calculating various items related to radio waves. It enables you to calculate the wavelength and proper antenna length for any given frequency, and also includes an "Inverse Square Ratio" calculator, useful for estimating how a proposed power change will affect your range -or- how a proposed distance change will affect your power requirments. (Freeware)
Prime Number Calculator
Calculate the prime numbers between two limits. It uses a deterministic test and uses the Sieve of Eratophenes logic. Described on The Math Forum @ Drexel. Recommended for Middle School, High School and College, ages 6+. 99¢ only.
Graphing Functions
Middle-School (grades 5 through 9) math program written to provide skills in context. Students find and plot solutions to parabolas, hyperbolas, and absolute value functions using an on-screen Cartesian plane and five moveable points.
UnitStar
Award-winning unit conversion program. Hundreds of units are included, along with detailed descriptions giving the history and definitions of units. Features include conversion tables, adjustable number of decimal places, and conversion formulas.
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