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20021201
2-7-5
Using the Action Menu
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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.
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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]
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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]
20030201