SeeThru Calculator v7.1 a wallpaper background desktop 3-in-1 software product. The only product of its kind on the Internet. The calculator utilizes the desktop wallpaper as its background to produce a fun, customizable interface. Change the wallpaper and SeeThru Calculator has a new background. Unit conversions, calendar, and calculator in one product. 50 unit conversions, cooking conversions, perpetual single and three month views calendar, date stamping of the calculator's tape, printable tape, fraction converter, and sales tax calculator for home or work use.