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When the statistical mode is set,
V
@1 0
M am ory-in/X y E y 2 key
fTTi:
Displays the number of samples entered.
^
m
|:
Clears the number in the memory and then store the number being
[ 2 n d F ] fcxy\:
Used to obtain the sum of the products o f data x and y in two-
displayed in the memory.
^xy
variable statistical calculation.
To clear the memory depress the (e^j key followed by the
key-
©
r~)1
parenthesis/poSar coordinate
rectangular coordinate conversion/statisti'
•
When the statistical mode is set.
TZxHx2 cal caicuSation key
f£y]:
Used to obtain the sum of data (Data: y )
| T ~ 1 : Used to close parenthesis.
(2«g|§3 :
Used to obtain the sum of squares of data (Data: y )
Example: Refer to page 13.
(23) [RM]
Recall memory/statistical! calculation key
[ 2 rtF)Rcyi: Converts polar coordinate into rectangular coordinate.
(xy)
|
rm
] :
Displays the contents of the memory.
The contents of the memory
Example: Refer to page 30.
remain unchanged after this key operation.
© When the statistical calculations mode is set.
® When the statistical mode is set.
Izisl:
Used to obtain the sum o f data ('Ex).
Pool:
Used to distinguish data x and data y in the two-variable statistical cal-
| 2 ndF |\nx2 \ :
Used to obtain the sum of squares o f data (Data: x).
culation.
Example: Refer to page 46.
@) 0
Memory plus/DATA CD key
[
m
+1 :
Used to add the number being displayed or a calculated result to the
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