Owner's Manual

TI-89 / TI-92 Plus Calculus Tools Page 17
The other portion of the split screen displays the graph of the
function and draws the rectangles.
F3 3:Midpoint Rule
Displays the problem-entry dialog box for the Midpoint Rule
along with an example problem. Enter a function
f
(
x
), Lower
bound, Upper bound, and Number of intervals.
The answer appears in a split screen. One portion of the split
screen displays the sum of the areas of the rectangles.
The other portion of the split screen displays the graph of the
function and draws the rectangles.