quy nguyen

Annulus Calculator

Annulus is a ring-shaped geometric figure, or more generally, a term used to name a ring-shaped object. Or, it is the area between...

May 29, 2012 By quy nguyen


UpSalesLT will help calculate your app's weekly, monthly and yearly revenues.I'm no Apple genius. Everyday is a learning experience...

May 17, 2012 By quy nguyen