Owner's Manual

Appendix B: Technical Reference 933
To enter the: Do this:
Polar form
r
e
i
ii
i q
– or –
(rq)
Substitute the applicable values or variable
names for r and q, where q is interpreted
according to the Angle mode setting.
TI.89 Titanium:
j [R] ¥ s 2 ) ¥ Ï d
– or –
c j [R] 2 ’ ¥ Ï d
Voyage™ 200:
R 2 s 2 ) Ï d
– or –
c R 2 ’ Ï d
For example:
Use 3 to set the
Complex Format mode to
one of three settings.
You can enter a complex number at any time, regardless of the Complex
Format mode setting. However, the mode setting determines how results
are displayed.
If Complex Format is: The TI-89 Titanium / Voyage™ 200:
REAL Will not display complex results unless you:
¦ Enter a complex number.
– or –
¦ Use a complex function such as cFactor(),
cSolve(), or cZeros().
If complex results are displayed, they will be
shown in either a+b
i
ii
i or r e
i
ii
i q
form.
RECTANGULAR Displays complex results as a+b
i
ii
i .
POLAR Displays complex results as:
¦ r e
i
ii
i q
if the Angle mode = Radian
– or –
¦ (rq) if the Angle mode = Degree or Gradian
Important: Do not use the
r
e
i
ii
i q
polar form in Degree
angle mode. It will cause a
Domain error.
Note: To get the
e symbol,
press:
TI . 89 Titanium: ¥ s.
Voyage™ 200: 2 s
Do not simply type an
alphabetic e.
Tip: To get the
 symbol,
press
2 ’.
Tip: To enter
q in degrees
for (r
q ), you can type a ¡
symbol (such as 45
¡ ). To
get the
¡ symbol, press
2 “. You should not use
degrees or Gradian for r
e
i
ii
i q
.
Complex Format
Mode for Displaying
Results
Note: You can enter
complex numbers in any
form (or a mixture of all
forms) depending on the
Angle mode.
Results are shown in rectangular
form, but you can select polar form.
Parentheses are
required for the
(rq) form.