Manual Graphing; Rectangular Coordinate Graph; Polar Coordinate Graph - Casio FX-CG20 AU User Manual

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6. Manual Graphing

k Rectangular Coordinate Graph
Inputting the Graph command in the Run-Matrix mode enables drawing of rectangular
coordinate graphs.
1. From the Main Menu, enter the Run-Matrix mode.
2. On the Setup screen, change "Input/Output" setting to "Linear".
3. Configure V-Window settings.
4. Input the commands for drawing the rectangular coordinate graph.
5. Input the function.
Example
1 m Run-Matrix
2 !m(SET UP)2(Line)J
3 !3(V-WIN) -fwfwcwc
4 !4(SKETCH)1(Cls)w
5(GRAPH)1(Y=)
5 cvx+dv-ew
• Certain functions can be graphed easily using built-in function graphs.
• You can draw graphs of the following built-in scientific functions.

Rectangular Coordinate Graph

• sin x
• cos x
• cos
–1
• tan
x
• tanh x
• sinh
• ' x
• x
x
• 10
• e
d
d
d
d
(x)
(x)
dx
dx
dx
dx
- Input for x and θ variables is not required for a built-in function.
- When inputting a built-in function, other operators or values cannot be input.
y
x
2
x
Graph
= 2
+ 3
– 4.
Use the following V-Window settings.
Xmin = –5,
Xmax = 5,
Ymin = –10,
Ymax = 10,
-bawbawfwJ
• tan x
• sin
–1
• sinh x
• cosh x
x
–1
• cosh
–1
• tanh
x
x
2
• log x
• lnx
x
–1
• x
2
2
(x)
(x)
∫(x)dx
∫(x)dx
2
2
Xscale = 2
Yscale = 5

Polar Coordinate Graph

• sin θ
–1
x
θ
–1
• cos
• tanh θ
–1
x
• ' θ
' x
θ
3
• 10
5-25
• cos θ
• tan θ
θ
• sinh θ
–1
• tan
θ • cosh
θ
–1
–1
• sinh
• θ
• log θ
2
• θ
θ
–1
• e
θ
• sin
–1
• cosh θ
θ
–1
• tanh
• ln θ
' θ
3

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