Actual Storage calculates the actual storage capacity of secondary storage mediums, such as hard drives, CDs/DVDs, and USB drives. It can handle units from KB (1000 bytes in the decimal system) to YB (1000^8 bytes in the decimal system).
RMD Calculator calculates the Required Minimum Distribution (aka. Minimum Required Distribution or RMD) for people between the ages of 70-115+. This is most useful for US residents.
Software to build and execute shell command lines from standard input in parallel.
Aliens have invaded your school, and it's up to the girls of the Science Club to save the day.