HP 49g Graphing Calculator - Manual (Page 191)

XNUM
Type:
Description:
Access:
Input:
Output:
Example:
Command:
Results:
Converts an object or a list of objects to approximate
nmneric format.
Command
Catalog,
An object or list of objects.
The objects in numeric fonnat.
Find the approximate value of n/2, 3e, and 4cos(2).
XNUM{ { T C / 2 , 3 * e , 4*C0S ( 2 } )
{ 1 . 5 7 0 7 9 6 3 2 6 8 8 . 1 5 4 8 4 5 4 8 5 3 8 -
1 . 6 6 4 5 8 7 3 4 6 1 9 }
XQ
Type: Command
Description: Converts a number, or a list of numbers in decimal
format, to rational format.
Access: Catalog, (CAT)
Input: A number, or a list of numbers.
Output: The number or list of nmnbers in rational format.
Example: Express .3658 in rational fonnat:
Command: X Q ( . 3 6 5 8 )
Results: 1 8 2 9 / 5 0 0 0
Page 14-68 Computer Algebra Commands