Casio ALGEBRA FX2.0 series - Manual (Page 5)

2-2
Differential Equations of the First Order
○ ○ ○ ○ ○
Example To graph the solutions of the separable equation dy / dx = y 2 –1,
x
0
= 0, y
0
= {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)b(Separ)
3 b w
a-(Y)Mc-bw
4 a w
!*( { )a,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
# To graph a family of solutions, enter a list of
initial conditions.
( x
0
, y
0
) = (0,0)
( x
0
, y
0
) = (0,1)