HP 39g+ - Manual (Page 84)

7-2 Solve aplet
Getting started with the Solve aplet
Suppose you want to find the acceleration needed to increase
the speed of a car from 16.67 m/sec (60 kph) to 27.78 m/sec
(100 kph) in a distance of 100 m.
The equation to solve is:
Open the
Solve aplet
1. Open the Solve aplet.
>$3/(7@ Select
Solve
TU6SU—
The Solve aplet starts in
the Symbolic view.
Define the
equation
2. Define the equation.
>$/3+$@ V>;@
2—
>$/3+$@ U>;@
>@ 2>[@
>$/3+$@ A>[@
>$/3+$@ D >(17(5@
Note: You can use the 2•Ã menu key to assist in the entry of
equations.
Define known
variables
3. Display the Solve numeric view screen.
>180@
4. Enter the values for the known variables.
2 7
>@ 7 8 >(17(5@
1 6
>@ 6 7 >(17(5@
*e,
1 0 0
>(17(5@
H I N T If the Decimal Mark setting in the Modes input form
(
>6+,)7@
MODES )is set to Comma, use
>@ instead of >@.
v
2
u
2
2ad + =