Texas Instruments TI-89 用户手册

Appendix B: Technical Reference

 938

Complex Format Mode for Displaying Results

Complex Format Mode for Displaying Results

Complex Format Mode for Displaying Results

Complex Format Mode for Displaying Results

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.

Polar form

r

 

q

or

(r

,

ùq

)

Substitute the applicable values or variable 
names for r and 

q

, where 

q

 is interpreted 

according to the Angle mode setting.

  

j

  [ R ]  

¥

 

s

 

2

 

)

 

¥

 

Ï

 

d

  Р

or –

  

c

 

j

  [ R ]  

2

 

’

 

¥

 

Ï

 

d

Important: Do not use the r

e

 

iiii

 

q

 polar form in 

Degree angle mode. It will cause a Domain 
error.
Note: To get the 

e

 

symbol, press:

TI89 Titanium:

¥

s

. 

Voyage™ 200: 

2 s

Do not simply type an alphabetic e.

Tip: To get the ,

ù

 symbol, press 

2 Õ

’.

Tip: To enter 

q

 in degrees for (r,

ùq

), you can 

type a ó symbol (such as 45ó). To get the 
ósymbol, press 

2 Ò

“. You should not use 

degrees or Gradian for r

e

 

iiii

 

q

.

    R  

2

 

s

 

2

 

)

 

Ï

 

d

  Р

or –

  

c

  R  

2

 

)ÕÏ

 

d

For example:

Use 

3

 to set the 

Complex Format mode to 
one of three settings.

Parentheses are 
required for the 
(r

∠

ùq) form.

Results are shown in rectangular 
form, but you can select polar 
form.