8
§]Cost Key/un-1 (Starndlard Deviatior;
of Sample): (Effective in the STAT and
normal modes)
STAT: Calculates
un-1
after entering
statistical data.
Normal:
1) Inputs the cost after entering the
number.
2) Recalls the cost after depressing
the
o
key.
3) Calculates the cost after depressing
the
0
key.
~Margin Key/
x
(Metiil'l Value) Key: (Ef-
fective in the STAT and normal modes)
STAT: Calculates
x
after entering
statistical data.
Normal:
1) Inputs the profit margin after enter-
ing the number.
2) Recalls the profit margin after de-
pressing the
0
key.
3) Calculates the profit margin after
depressing the
0
key.
8
Balance Key: (Effective in the LOAN
and END modes)
Calculates the outstanding principal
balance at a specified payment
8
Principal Key: (Effective In the LOAN
and END modes)
Calculates the amount of principal paid
at a specified payment
B
Data Input Key: (Effective in the STAT
mode)
Inputs the
x
data as one of a pair.
§fu
Sum Key/Delete Key: (Effective in the
STAT mode)
i) Inputs the data in one-variable
statistical calculation or the
v
data
in two-variable statistical calcula-
tion.
2)
Deletes entered data after depress-
ing the
0
key.
cb
Interest Rate Key/r (Correlation
Coefficient) Key: (Effective in the
STAT, SF, LOAN, and INT modes)
STAT: Calculates r after entering
statistical data.
SF, LOAN, iNT:
1)
Inputs the inlerest rate after enter-
ing the number.
2) Recalls the interest rate after de-
pressing the
0
key.
3)
Calculates the interest rate after de-
MODE
pressing the
0
key.
D
Mode Key
Sets the mode to normal, STAT, SF,
LOAN, or INT for each calculation.
~
Common logarithm
Key
G
Nlllturallogarithm
Key
0
Power-of-e Key
~
Power-of-1 0 Key
G
Raising to Power Key
9
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