1)   Prime Number Calculator 4.6.1
Calculate the prime numbers between two limits. It uses a deterministic test and uses the Sieve of Eratophenes logic. Recommended on The Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. 99¢ only.

 2)   Random Number Generator Software 7.0
Generate a specified amount of random numbers and save them as a text file or send them to a blank Excel file. Even, odd and prime numbers can be randomly generated.

 3)   Factor Calculator 5.6.2
Calculate the factors of any number with a single click. Small application window allows simultaneous use with Word, Outlook, Excel, etc.. Recommended on The Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. 99¢

 4)   Geodesic Red 3D Screensaver 1.0
Three 3D screensavers for the price of one. Giant 3D Geodesic Ball floats, bounces, spins on your desktop. 3 colors - red, blue, yellow. Download Red to try. When you buy Red get links to Yellow and Blue. Change colors with your mood.

 5)   Primality Tester 5.3.2
Test any number for primality with a single click. It uses a deterministic test and uses the Sieve of Eratophenes logic. Recommended on The Math Forum @ Drexel (University) for Middle School, High School and College, ages 6+. 99¢ only.