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80
~
EOEcl
:
Used to set the decimai system mode (normai mode).
Converts the number displayed into a number
in
base 10.
Memory-in/statistical calculation key
~
:
Claars the numbar in the memory and than stare
the number
being displayed in the
memory.
To clear the memory deprass the
~
kay followed by the
~
key
.
•
When
the
statistica! mode is set,
W
Used to obtain the mean valua of tha
data.
(X)
~ ~
:
Used to obtain the sum of squaras of data.
(
I:
x
2
)
Recall memory/statistical calculation key
~ :
Displays the contants of the memory.
The contents of
the
memory remain unchanged after this
key
operati
on
.
•
When
the
statistica! mode
is
set,
[]] :
Used to obtain tha standard deviation of
the sample of
data.
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