Zero - Texas Instruments TI-84 Plus Manual Book

1. Select
1:value
bottom-left corner.
2. Enter a real value, which can be an expression, for
3. Press Í.
The cursor is on the first selected function in the Y= editor at the
and the coordinates are displayed, even if
To move the cursor from function to function at the entered
restore the free-moving cursor, press | or ~.

zero

zero zero zero
finds a zero (x-intercept or root) of a function using
zero
than one x-intercept value;
The time spends to find the correct zero value depends on the accuracy of the
zero
values you specify for the left and right bounds and the accuracy of your guess.
To find a zero of a function, follow these steps.
Chapter 3: Function Graphing
from the
CALCULATE
finds the zero closest to your guess.
zero
menu. The graph is displayed with
between
X
format is selected.
CoordOff
solve(
X=
and
Xmin Xmax
value you entered,
X
value, press } or †. To
X
. Functions can have more
in the
.
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