n
• Press
{x2},
{y2}/
and
{xy}
to see the sums of the squares
and-,
the sum of the products, values that are of interest for performing
other statistical calculations besides those provided by the O
calculator.
~
The
Statistics
Registers
in
Calculator
Memory
r\
The
memory
space
(48
bytes)
for the statistics
registers
is automati-O
cally allocated (if it doesn't existalready) when you press
12+1
or 12-L-v
The registers are deleted and the memory deallocated when you exe
cute
(§[CL|AR]
{2}.
O
If not enough calculator memory is available to hold the statistics reg
isters when you first press I
2+1
(or 12-1), the calculator displays
f~>
MEMORY
FULL. You will
need
to clear variables or programs (or
both) to make room for the statistics registers before you can enter
statistical data. Refer to 'Managing Calculator Memory* in
f~>
appendix B.
r>
r\
r>
r>
n
r\
r>
D
r>
r\
r^
D
162
11:
Statistical
Operations
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