Texas Instruments TI89TITANIUM - 89TVSC/CBX/1L1/A Viewscreen... Owner's Manual | Page 16

Texas Instruments Software Owner's Manual - TI89TITANIUM - 89TVSC/CBX/1L1/A Viewscreen....
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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 (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 (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. 

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