HP 12C#ABA hp 12c_solutions handbook_English_E.pdf - Page 103

REGISTERS, Keystrokes, Display, xy

Page 103 highlights

n: Unused PV: Unused FV: Unused R1: n R3: Σx2 R5: Σy2 R7-R.6: Unused REGISTERS i: Unused PMT: Unused R0: Unused R2: Σx R4: Σy R6: Σxy 1. Key in the program and press CLEAR . 2. For each input pair of values, key in the y-value and press in the corresponding x-value and press . , key 3. After all data pairs are input, press 06 correlation coefficient (between ln y and x). 4. Press to obtain A. to obtain the 5. Press to obtain B. 6. Press to obtain the effective growth rate as a decimal. 7. To make a y-estimate, key in the x-value and press . For subsequent estimates, key in the x-value and press 25 . 8. For a different set of data, press CLEAR Keystrokes Display and go to step 2. CLEAR 1.00 45 1 51.5 2 2.00 53.75 3 3.00 80 4 4.00 122.5 5 5.00 210 6 6.00 06 0.95 First data pair input. Second data pair input. Third data pair input. Fourth data pair input. Fifth data pair input. Sixth data pair input. Correlation coefficient (between ln y and x). 102

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102
1.
Key in the program and press
CLEAR
2.
For each input pair of values, key in the y-value and press
, key
in the corresponding
x
-value and press
.
3.
After all data pairs are input, press
06
to obtain the
correlation coefficient (between ln
y
and
x
).
4.
Press
to obtain
A
.
5.
Press
to obtain
B
.
6.
Press
to obtain the effective growth rate as a decimal.
7.
To make a y-estimate, key in the x-value and press
. For subsequent
estimates, key in the x-value and press
25
8.
For a different set of data, press
CLEAR
and go to step 2.
REGISTERS
n: Unused
i:
Unused
PV: Unused
PMT: Unused
FV: Unused
R
0
: Unused
R
1
:
n
R
2
:
Σ
x
R
3
:
Σ
x
2
R
4
:
Σ
y
R
5
:
Σ
y
2
R
6
:
Σ
xy
R
7
-R
.6
: Unused
Keystrokes
Display
CLEAR
45
1
1.00
First data pair input.
51.5
2
2.00
Second data pair input.
53.75
3
3.00
Third data pair input.
80
4
4.00
Fourth data pair input.
122.5
5
5.00
Fifth data pair input.
210
6
6.00
Sixth data pair input.
06
0.95
Correlation coefficient (between ln
y
and
x
).