A Look at the TI-82 Keyboard Sections

  • Lower center (gray keys):
    Arithmetic Keys

  • Lower Right (blue keys):
    Basic Operations

  • Lower Left (black keys):
    Basic Functions

  • Top Row:
    Display Keys

  • Next Three Rows:
    Special Program Keys

  • Middle Row:
    Trig. and Inverse Trig. Functions


(Click for an enlarged view)