Exponential Functions; Drawing An Exponential Graph - Casio fx-9860GII Instructions Manual

a b / c
∠
Enter
ii 3 SHIF T
and then press OPTN
EXE
Press .
You can also change the mode that the calculator uses to display complex
results in settings.
SHIF T
Press SET UP
Select Real, Rectangular (a + bi ) or Modulus Argument (r ∠ θ ).
For example, in Polar mode, typing 2 + 2i
being displayed in Modulus Argument form without entering

Exponential functions

1.13 Drawing an exponential graph

Example 16
Draw the graph of y = 3
Press MENU and choose 5: GRAPH and press
The default graph type is Function, so the form Y= is displayed.
Type 3 x + 2 and press EXE
SHIF T
Press F3 V-Window and choose
use the default axes which are −10 ≤ x ≤ 10
and −10 ≤ y ≤ 10.
Press EXE and F6 DRAW.
The calculator displays the curve with the default axes.
Adjust the window to make the exponential curve fi t the screen better.
© Oxford University Press 2012: this may be reproduced for class use solely for the purchaser's institute
π
3
2 SHIF T
F3 F6
| CPLX | | F4
EXE
would result in the number
x
+ 2.
EXE
.
F3 STD to
a + bi
The ∠ symbol is above the
X,i,T
key
r ∠ θ .
F3
.
3
Note: Type
X,i,T
to enter 3 x .
The returns you to
the baseline from the
exponent.
Casio fx-9860GII
Using a graphic display calculator 18