Owner's Manual

TI-89 / TI-92 Plus Calculus Tools Page 16
F3:Integ
F3 1:Left Sum
Displays the problem-entry dialog box for the Left Sum
integration method 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.
F3 2:Right Sum
Displays the problem-entry dialog box for the Right Sum
integration method 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.