Texas Instruments TI-83 Manual Book page 11

Using the
Color-Coded
Keyboard
Using the y
and ƒ Keys
The y key accesses
the second function
printed in yellow above
each key.
The ƒ key
accesses the alpha
function printed in
green above each key.
The keys on the TI.83 are color-coded to help you easily
locate the key you need.
The gray keys are the number keys. The blue keys along the
right side of the keyboard are the common math functions.
The blue keys across the top set up and display graphs.
The primary function of each key is printed in white on the
key. For example, when you press , the
displayed.
The secondary function of each key is printed in yellow
above the key. When you press the yellow y key, the
character, abbreviation, or word printed in yellow above
the other keys becomes active for the next keystroke. For
example, when you press y and then , the
menu is displayed. This guidebook describes this keystroke
combination as y [
The alpha function of each key is printed in green above
the key. When you press the green ƒ key, the alpha
character printed in green above the other keys becomes
active for the next keystroke. For example, when you press
ƒ and then , the letter
guidebook describes this keystroke combination as ƒ
[ ].
A
].
TEST
is entered. This
A
menu is
MATH
TEST
Getting Started 3