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HP -22S Owner's Manual Page 181

Scientific calculator.
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Function
Keys and Description
Page
MEM
.1
MEM
I
27
Displays available memory, accesses variables
catalog .
MODES
1
MODES I
18
Displays menu for changing angular and decimal-
point modes.
n
I
STAT I
u} {n}
62
Number of x- or x,y-items accumulated in the statis-
tical registers .
n!
1
PROB I
{n!}
51
Factorial .
OC
1
BASE I {OC}
54
Sets octal (base 8) mode .
OFF
• 1
OFF I
12
Turns the calculator off .
PARTS
• 'PARTSI
52
Displays menu for calculating parts of numbers .
Pn,r
• , PROB I
{Pn,r}
50
Permutations of n items taken r at a time .
PROS
• 'PROBI
50
Displays menu for probability functions.
r
'STAT I
{LR, } {r}
63
Correlation coefficient of the x
,y
statistical data .
-RAD
• , D-RAD I {~RAD}
46
Converts angle in decimal degrees to radians .
RADIUS
• , RADIUS I
48
Coordinate conversions; stores or calculates the r
polar coordinate.
RCL
, RCLI
37
Recalls variables A through Z or contents of
polar/rectangular conversion registers .
RD
• , MODES I
{RD}
45
Sets Radians angular mode .
RN
• , PARTS I
{RN}
52
Rounds the displayed number to the number of
decimal places specified by the current display
format.
Function Index
181

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