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上传时间: 2019-07-04
详细说明：User manual of Casio 1E calculator. User instructionsCasio fix-3650P
Casio∫-3950P
Simultaneous Linear equations
This program is used to solve simultaneous linear equations in two unknowns in the form of
ax+by=c
where a, b, c, d, e and f are real numbers
dx+e
Storing the program:
Step
3
Key
MODE
MO DE
MO DE
B°
ep
12
13
14
Key
A
B
?
Step
15
16
17
18
19
20
21
Key
D
Ster
22
23
24
25
26
27
Key
Y
Step
29
30
31
32
33
34
35
KO
Step
36
37
38
39
40
41
42
Key
M
Ⅹ
Step
43
44
46
47
49
K
B
M
X
Step
50
51
52
53
54
Key
A
Y
C
D
Casio fix-3650P
Casio∫-3950P
Executing the program
Examples
. x-3y
8
(a) Solve the simultaneous linear equations
4x-5y=9
Procedure
Display
Remark
1. MODEMODE MODE2
RUN mode
2. MODE1
COMP mode
Proa
Execute program PI
4.「2|ExE
(-)[3[Ex
8
(-)[5][X」
5
EⅩE
value of v
Note: Pressing EXE after the last procedure allows the program to be executed again
x+3y=-8
(b) Solve the simultaneous linear equations
2x+6y=-9
Procedure
Display
Remark
MODELMODEL MODE 2
RUN mode
2. MODE 1
COMP mode
3. Prog|1
Execute program p1
3EⅩE
Math ErROR
No solution or infinitely
2
many solutions
6 EXE
(-)9][ExE
Note: Press Ac to exit the program
4
Casio fix-3650P
Casio∫-3950P
Slope, Length and point of Division
Given two points A(x1, y1) and b(x2, y2),C is a point on the line segment AB such that
AC: CB-p: q,
Slope o
fAB=少=V
x2-1
length of AB=V(2 -x1)+(v2-y1)
coordinates of c/x1×g+x2×py×q+y2×p
p+q
p+q
This program is used to find out the length and slope of the line segment on a rectangular
coordinate plane joining two given points. It can also be used to find the point of division of the line
segment based on the given proportion
Storing the program
Step
2
3
6
7
Key
MODE
MODE
MODE
9
12
13
14
Kev
B
Step
15
16
18
20
21
Key
→
Step
22
23
24
25
26
27
28
Key
A
D
Step
29
30
31
32
33
34
35
Key
B
Y
Step
36
37
38
39
0
41
42
Key
D
Step
43
44
45
46
47
48
K
D
2
Step
50
51
52
53
55
56
Key
C
Step
57
58
59
60
61
62
63
Ke
Y
D
Step
64
65
66
67
68
69
70
K
B
SHIFT
Casio fix-3650P
Casio∫-3950P
Step
71
72
73
74
75
76
7
Key
tan
Y
Y
MODE
M○DE
Step
79
K
MODE
6
Casio fx-3650P
Casio∫-3950P
Executing the program
Examples
(a) Given two points A(1,-4)and B(6,8),C is a point on the line segment AB such that
AC: CB=2: 3. Find the coordinates of point C, and the length and slope of AB
Procedure
Display
Remark
1. MODEMODE MODE2
RUN mode
COMP mode
234
2. MODE1
Proa
Execute program PI
(-)[4[EXE
x-coordinate of point C
8_区
Ⅹ三
3EⅩE
EⅩE
0,8
y-coordinate of point C
567
EⅩF
Length of B
EⅩE
Slope of aB
Note: Pressing EXE after the last procedure allows the program to be executed again
(b) Given two points A(2, 5)and B(2, -7). C is a point on the line segment AB such that
AC: CB-1: 3. Find the coordinates of point C, and the length and slope of Ab
Procedure
Display
Remark
1.MODE [MODE[MODE 2
RUn mode
2
MODE1
COMP mode
Pr○
Execute program P1
4.「6EXE
5 EXE
Lx-coordinate of point C
EXE
Ⅹ
3EⅩE
5. EXE
y-coordinate of point C
6. EXE
12
Length of aB
7. EXE
Math ERROR
Slope of ab is undefined
Note: Press Ac to exit the program
Casio fx-3650P
Casio∫-3950P
Cosine formula
In△ABC,
26c cos a or COs a
6-tc
26
b-=a-+c-2ac cos B
COSB、a-+C--b
2
ac
+b
c=atb-2ab cos c
CosC=
C
2ab
This program is used to solve triangles and find their areas when the following conditions are given
(a) three sides; or
(b) two sides and their included angle
Storing the program:
Step
2
3
5
6
Key
MO DE
MO DE
MO DE
Mem clear
Step
8
9
12
13
K
Step
14
15
16
17
18
19
20
Key
ep
21
22
23
24
25
26
27
Key
C
Step
8
29
30
32
33
34
Key
Goto
SHIFT
p
35
36
37
38
39
40
Key
Step
42
43
44
45
46
47
48
Key
2
Step
50
51
52
53
54
55
Ke
D
Got
LbI
Step
56
57
58
60
61
62
Key
B
Casio fix-3650P
Casio∫-3950P
Step
63
64
65
66
67
68
69
K
2
B
COS
D
Ste
p
70
71
72
73
74
75
76
Key
A
Lb l
2
H工ET
Step
77
78
79
80
81
82
Ke
ev
COS
Step
84
85
86
87
88
89
Ke
Step
91
92
93
94
95
96
97
K
A
X
SH工FT
Step
98
99
100
l01
102
103
104
Key
Step
105
106
107
108
109
110
111
Key
Y
1
B
SIn
Step
112
113
114
115
116
Key
D
MODE
MODEMODE
2
9
Casio fix-3650P
Casio∫-3950P
Executing the program:
Examples
(a) Given that a=7,b=8andc=9,find∠A,∠B,∠ C and the area of△ABC.
Procedure
Display
Remark
MODE MODE MODE「2
RUN mode
2.
MODE1
COMP mode
3. Prog
Execute program P1
48.18968511
Angle of∠A
EⅩE
5. EXE
58.4118644
Angle of∠B
EXE
73.3984504
Angle of∠C
7. EXE
26.83281573
Area of△ABC
Note: Pressing EXE after the last procedure allows the program to be executed again
(b) Given that a=6,b=4andC=50°, find c,∠A,∠ B and the area of△ABC
Procedure
Display
Remark
1.「MoDE||MODE||MoDE「2
ruN mode
MODE
COMP mode
Prog
1
Execute program p1
4. EXE
卫Ⅹ
4.599499183
Length of c
5
0 EXE
5. EXE
88.21456012
Angle of∠A
EⅩE
41.78543988
Angle of∠B
7
EⅩE
9.192533317
Area of△ABC
Note: Pressing EXE afier the last procedure allows the program to be executed again
10
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