Casio ClassPad 300 PLUS - Manual (Page 134)

20050501
2-7-5
Using the Action Menu
u u u u u approx
Function: Transforms an expression into a numerical approximation.
Syntax: approx (Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the “ ” (not equal to) relational operator.
Example: To obtain the numerical value of 2
Menu Item: [Action][Transformation][approx]
(Display: Normal 1)
Example: To obtain the numerical value of 9 20
Menu Item: [Action][Transformation][approx]
(Display: Normal 1)
• For information about the internal operations and the number of digits of a displayed
value, see page 2-2-6.
u u u u u toFrac
Function: Transforms a decimal value into its equivalent fraction value.
Syntax: toFrac (Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the “ ” (not equal to) relational operator.
Example: To transform 5.28 into its equivalent fraction value
Menu Item: [Action][Transformation][toFrac]
u u u u u propFrac
Function: Transforms a decimal value into its equivalent proper fraction value.
Syntax: propFrac (Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the “ ” (not equal to) relational operator.
Example: To transform 1.2 into its equivalent proper fraction value
Menu Item: [Action][Transformation][propFrac]
Example: To divide x 2 by ( x – 1)
Menu Item: [Action][Transformation][propFrac]