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260 Solve app
One equation
Suppose you want to find the acceleration needed to increase the
speed of a car from 16.67 m/s (60 kph) to 27.78 m/s (100 kph)
over a distance of 100 m.
The equation to solve is:
V
2
= U
2
+2AD.
where V = final speed, U = initial speed, A = acceleration
needed, and D = distance.
Open the
Solve app
1. Open the Solve app.
I
Select Solve
The Solve app starts in
Symbolic view, where you
specify the equation to
solve.
Note
In addition to the built-in variables, you can use one or more
variables you created yourself (either in Home view or in the
CAS). For example, if you’ve created a variable called ME, you
could include it in an equation such as this: Y
2
= G
2
+ ME.
Functions defined in other apps can also be referenced in the
Solve app. For example, if you have defined F1(X) to be X
2
+10
in the Function app, you can enter F1(X)=50 in the Solve app
to solve the equation X
2
+ 10 = 50.
Clear the
app and
define the
equation
2. If you have no need for any equations or expressions already
defined, press
SJ (Clear). Tap
to confirm your
intention to clear the app.
3. Define the equation.
A
V
jS.A
U
j+
2
A
A
A
D
E