Casio CLASSPAD 330 3.04 - Manual (Page 822)

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Configuring Differential Equation Graph View Window Parameters
I Solutions Tab
Setting Description
Solution Dir. A solution curve is graphed starting at the initial condition value t0 and
continues until it reaches a target value, which can be either tmin or
tmax. The solution direction determines the target values. Forward will
graph the solution from t0 to tmax. Backward will graph the solution
from t0 to tmin. Both will graph the solution from t0 to tmin, and then t0
to tmax.
Independent Assignment of the independent variable for differential equations. The
possible values are x or t. If you are graphing a phase plane you cannot
choose the independent variable. It will automatically be set to t.
t0 (or x0) If the independent variable is different from the x-axis variable then you
can enter the initial value for the independent variable, unless you are
graphing a slope field.
tmin (or xmin) If the independent variable is different from the x-axis variable then you
can enter the minimum value for the independent variable.
tmax (or xmax) If the independent variable is different from the x-axis variable then you
can enter the maximum value for the independent variable.
x-Axis Assignment for the (horizontal) x-axis. If you are graphing a slope field
or phase plane you will not be able to choose the x-axis variable but it
will still be displayed in this dialog box.
y-Axis Assignment for the (vertical) y-axis. If you are graphing a slope field or
phase plane you will not be able to choose the y-axis variable but it will
still be displayed in this dialog box.