Texas Instruments TI-83 PLUS User Manual

Page 226

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TI-83 Plus

Draw Instructions

223

Tip: Change the fixed decimal setting on the mode screen if you want to see
fewer digits displayed for

X

and the equation for

Y

.

Drawing a Tangent Line from the Home Screen or a Program

Tangent(

(tangent line) draws a line tangent to

expression

in terms of

X

,

such as

Y

1

or

X

2

, at point

X

=

value

.

X

can be an expression.

expression

is

interpreted as being in

Func

mode.

Tangent(

expression

,

value

)

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