HP 49G User Manual page 127

COV
x
in
Σ
CR
Command Reference: Part B (1.1)
Σ
----------- -
n 1
1
x
n
1
Level 1/Argument 1
n
1
∑
( ) x (
x – x – x
in n in
–
1 1 2
i = 1
x
in
2
x
n
2
→
Σ
Σ
)
n
2
Level 1/Item 1
p‚‰h…vhpr
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