ClassPad 330 Plus Manual

20080201
2-8-14
Using the Action Menu
u
∫
Function: Integrates an expression with respect to a specific variable.
Syntax:

(Exp/List[,variable] [ ) ]

(Exp/List, variable, lower limit, upper limit [,
tol
] [ ) ]
•
“
x
” is the default when you omit [,variable].
•
“
tol
” represents the allowable error range.
•
This command returns an approximate value when a range is specified for “
tol
”.
•
This command returns the true value of a definite interval when nothing is specified
for “
tol
”. If the true value cannot be obtained, however, this command returns an
approximate value along with
tol
=1
E
– 5.
Example: To integrate
x
with respect to
x
Menu Item: [Action][Calculation][

]
Example: To integrate 2
x
2
+ 3
x
+ 4 with respect to
x
between
x
= 1 and
x
= 5, with an
allowable error range of 1
E
– 4
Menu Item: [Action][Calculation][

]
1
Example: To integrate
x
×
ln(
x
)
with respect to
x
between
x
= 1 and
x
= 2
Menu Item: [Action][Calculation][

]