Storing And Recalling Variables - HP 39gII User Manual

Storing and recalling variables

Numeric Precision
To store a value
To store the results
of a calculation
218
You can use the Memory Manager (
view the amount of memory available. The catalog views,
which are accessible via the Memory Manager, can be
used to transfer variables such as lists or matrices
between calculators.
You can store numbers or expressions from a previous
input or result into variables.
A number stored in a variable is always stored as a 12-
digit mantissa with a 3-digit exponent. Numeric precision
in the display, however, depends on the display mode
(Standard, Fixed, Scientific, or Engineering). A displayed
number has only the precision that is displayed. If you
copy it from the Home view display history, you obtain
only the precision displayed, not the full internal
precision. On the other hand, the variable Ans always
contains the most recent result to full precision.
1. In the Home view, enter
a value, expression or
object, followed by the
Store command.
H 5
2. Enter a name for the
variable suitable for the
object.
B E
A
If the value you want to store is the last result just
calculated, then just press
name and press
E
further up in the Home view display history, then use
highlight the value,
and then proceed to store it.
S
, followed by the variable
. If the value you want to store is
to copy it to the command line,
Variables and memory management
) to
MEMORY
=
to