Texas Instruments TI-83 User Manual

You should see the following on your screen:
The highlighted Plot1 means StatPlot is on.
To turn it off use the up arrow to put the
cursor on Plot1 and hit enter.
Move the cursor back down to Y
1
= and your
screen should look like this:
In Y
1
, type in the following order (consult the figure for the location of these buttons)
1. ( - )
2. 2
3. X,T,θ,n
4. x
2
5. +
6. 1
7. 2
Y =

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators