Casio ClassPad 330 User Manual page 172

u lim
Function: Determines the limit of an expression.
Syntax: lim (Exp/List, variable, point [,direction] [ ) ]
Example: To determine the limit of
Menu Item: [Action][Calculation][lim]
Example: To determine the limit of
Menu Item: [Action][Calculation][lim]
Example: To determine the limit of
Menu Item: [Action][Calculation][lim]
• This function returns the limit from the left when "direction" < 0, the limit from the right
when "direction" > 0, and the limit from both sides (left and right) when "direction" = 0 or
when the direction is omitted.
u Σ
Function: Evaluates an expression at discrete variable values within a range, and then
calculates a sum.
Syntax: Σ(Exp/List, variable, lower value, upper value [ ) ]
Example: To calculate the sum of
Menu Item: [Action][Calculation][Σ]
Π
u
Function: Evaluates an expression at discrete variable values within a range, and then
calculates a product.
Syntax: Π(Exp/List, variable, lower value, upper value [ ) ]
Example: To calculate the product of
x
= 5
Menu Item: [Action][Calculation][Π]
2-8-15
Using the Action Menu
e x
x
– as approaches
1/ x x
as approaches 0 from the right
1/ x x
as approaches 0 from the left
x x
as the value of
2
x
as the value of
2
20060301
∞
x
changes from = 1 through
x x
changes from = 1 through
x
=10.