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Pressing on the appropriate soft menu key will open the sub-menu of units
for that particular selection. For example, for the @)SPEED sub-menu, the
following units are available:
Pressing the soft menu key @)UNITS will take you back to the UNITS menu.
Recall that you can always list the full menu labels in the screen by using
‚˜, e.g., for the @)ENRG set of units the following labels will be listed:
Available units
For a complete list of available units see Chapter 3 in the calculator’s
user’s guide.
Attaching units to numbers
To attach a unit object to a number, the number must be followed by an
underscore (
‚Ý, key(8,5)). Thus, a force of 5 N will be entered as
5_N.
Here is the sequence of steps to enter this number in ALG mode, system
flag 117 set to CHOOSE boxes:
5‚Ý‚Û8@@OK@@ @@OK@@ `
To enter this same quantity, with the calculator in RPN mode, use the
following keystrokes:
NOTE: Use the L key or the „«keystroke sequence to
navigate through the menus.
NOTE: If you forget the underscore, the result is the expression 5*N,
where N here represents a possible variable name and not Newtons.
SG49A.book Page 9 Friday, September 16, 2005 1:31 PM