.. _n2dLib_introduction: ============ Introduction ============ The n2DLib library consist in a set of functions inmplemented in C. They allow a TI-Nspire developper access the screen and the keybaord and offers functions to allow interacting with them. Thus, n2Dlib offers various functions from drawing a pixel, a sprite or circles to open a bitmap file to parse it and detect which key has been pressed.