Viewing a variable without recalling it, Reviewing variables in the var catalog – HP 33s User Manual
Page 59
Storing Data into Variables
3–3
Viewing a Variable without Recalling It
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:
/
)
In Fraction–display mode (
{
), part of the integer may be dropped. This
will be indicated by "…" at the left end of the integer.
To see the full mantissa, press
|
. The integer part is the portion to the
left of the radix ( ) or 8 ).
|
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
b
or
once.
Reviewing Variables in the VAR Catalog
The
{ Y
(memory) function provides information about memory:
#
QQ8QQQ
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. Press
{ Y
{VAR}.
2. Press
or
to move the list and display the desired variable. (Note
the ©ª annunciators, indicating that the
and
keys are active. If
Fraction–display mode is active, cd indicator will not be turned on to indicate
accuracy.)
To see all the significant digits of a number displayed in the {# } catalog,
press
|
. (If it is a binary number with more than 12 digits, use the
and
keys to see the rest.)
3. To copy a displayed variable from the catalog to the X–register, press
.
4. To clear a variable to zero, press
{ c
while it is displayed in the
catalog.
5. Press
to cancel the catalog.