Viewing A Variable Without Recalling It; Reviewing Variables In The Var Catalog - HP 33s User Manual

Viewing a Variable without Recalling It

º È
The function shows you the contents of a variable without putting that
number in the X–register. The display is labeled for the variable, such as:


º È
is most often used in programming, but it is useful anytime you want to
view a variable's value without affecting the contents of t he stack.
To cancel the VIEW display, press

Reviewing Variables in the VAR Catalog

¹ u
The (memory) function provides information about memory:
 
 
where nn,nnn is the number of bytes of available memory.
Pressing the {  } menu key displays the catalog of variables.
Pressing the {  } menu key displays the catalog of programs.
To review the values at any or all non–zero variables:
¹ u
1. Press
Ø
2. Press or
the annunciators, indicating that the
Fraction–display mode is active,
To see all the significant digits of a number displayed in the {  } catalog,
º Î
press
Ö Õ
and
3. To copy a displayed variable from the catalog to the X–register, press
4. To clear a variable to zero, press
catalog.
Å
5. Press to cancel the catalog.
~
{VAR}.
×
to move the list and display the desired variable. (Note
. (If it is a binary number with more than 12 digits, use the
keys to see the rest.)
Å
or once.
Ø ×
and
does not indicate accuracy.)
¹ ¡
while it is displayed in the
Storing Data into Variables
keys are active. If
Ï
.
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