‰F(X)Dx - Texas Instruments TI-83 Manual Book

To move to the same x-value for other selected functions, press } or †.
To restore the free-moving cursor, press | or ~.
‰f(x)dx
(numerical integral) finds the numerical integral of a function in a
‰f(x)dx
specified interval. It uses the
To find the numerical derivative of a function, follow these steps.
1. Select
7:‰f(x)dx
displayed with
2. Press } or † to move the cursor to the function for which you want
to calculate the integral.
3. Set lower and upper limits as you would set left and right bounds for
. The integral value is displayed, and the integrated area is
zero
shaded.
Note: The shaded area is a drawing. Use
that invokes Smart Graph to clear the shaded area.
TI-83 Plus Function Graphing
fnInt(
from the
CALCULATE
in the bottom-left corner.
Lower Limit?
function, with a tolerance of H=1âL3.
menu. The current graph is
(Chapter 8) or any action
ClrDraw
153