Professional scientific and financial calculator. One Plus One™ has all the features you need: natural calculator interface, 80 functions including time value of money (TVM) and number base conversions, 20 memory registers, graffiti input, and double precision accuracy. Extensive documentation is available for reading or download from the Creative Creek web site. Personalize your copy of One Plus One. Choose from six different keyboard color schemes (two for B&W devices). Now supports the high resolution screens of the CLIE and Tungsten/T.

Now you can leave your standalone calculator at home.

Download and try One Plus One today for a free trial and demo.