beautypg.com

Casio ClassPad 300 PLUS User Manual

Page 134

background image

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]