Casio ALGEBRA FX2.0 series - Manual (Page 11)

2-8
Differential Equations of the First Order
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Example To graph the solution of the first order differential equation
dy / dx = – cos x , x
0
= 0, y
0
= 1, –5 < < < < < x < < < < < 5, h = 0.1.
Use the following V-Window settings.
Xmin = –6.2, Xmax = 6.2, Xscale = 1
Ymin = –3.1, Ymax = 3.1, Yscale = 1
Procedure
1 m DIFF EQ
2 1(1st)e(Others)
3 -cvw
4 a w
b w
5 5(SET)b(Param)
6 -fw
f w
7 a.b wi
8 5(SET)c(Output)4(INIT)i
9 !K(V-Window)
-g.cw
g.c w
b wc
-d.bw
d.b w
b wi
0 6(CALC)
Result Screen