Complex Number Calculations (Cmplx Mode) - Casio fx-115WA User Manual

Enter REG mode (Quadratic regression)
F F 2 r 3
A m =
29
P
74
(Regression Coefficient A)
(Regression Coefficient B)
(Regression Coefficient C)
ˆ y x
( when i = 16)
ˆ x y
( when i = 20)
1
ˆ x y
( when i = 20)
2
Data Input Precautions
S S
• inputs the same data twice.
• You can also input multiple entries of the same data us-
A G
ing
example, press 20
• The above results can be obtained in any order, and not
necessarily that shown above.
• To delete data you have just input, press
Complex Number Calculations
(CMPLX Mode)
F 2
• Press
that include complex numbers.
• You can use variables A, B, C and M only. Variables D,
E, F, X, and Y are used for storage of the imaginary parts
of values and so cannot be used by you.
P S
1.6
S
38.0 103
118
. To input the data "20 and 30" five times, for
P
to enter the CMPLX Mode for calculations
P
50 23.5
P
46.4
P
48.0
A q =
A w =
A e =
A b
16
A O
20
A O
A G
30
22
S
S
S
-35.59856934
1.495939413
-6.71629667
-13.38291067
47.14556728
175.5872105
S
5 .
A U
118.
REG
- 0 3
.