About NBP Calculator
The NBP Calculator is a powerful calculator designed as an app for the B2G, a portable braille computer for the blind developed by National Braille Press. The NBP Calculator has a number of functions that can be selected for trigonometry,log, log10, complex and imaginary numbers, There is an input line to enter expressions that can be edited, with storage and recall capabilities.The standard layout includes a keypad with basic addition, subtraction, multiplication, division and scientific notation. The Alternate button changes the face of the layout for sin, cos, tan,rd2dg,abs, asin, acos, atan, dg2rd,arg, sinh, cosh,tanh sqrt,cnj. log10, log, exp, pi and i.
This app will continue to add more functions. If you have suggestions for new material please let us know.