Owner's Manual

TI-89 / TI-92 Plus Calculus Tools Page 18
F3 4:Trapezoidal Rule
Displays the problem-entry dialog box for the Trapezoidal
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 trapezoids.
The other portion of the split screen displays the graph of the
function and draws the trapezoids.
F3 5:Simpson’s Rule
Displays the problem-entry dialog box for Simpson's Rule
along with an example problem. Enter a function
f
(
x
), Lower
bound, Upper bound, and Number of intervals.
Note
The number of intervals must be an even integer

2.
The answer appears in a split screen. One portion of the split
screen displays the Simpson’s Rule approximation to the
definite integral by using parabolic arcs.