Texas TI-86 用户手册

04CCCB.DOC   TI-86, Chap 4,  US English   Bob Fedorisko   Revised: 02/13/01 2:20 PM   Printed: 02/13/01 3:01 PM   Page 65 of 16

04CCCB.DOC   TI-86, Chap 4,  US English   Bob Fedorisko   Revised: 02/13/01 2:20 PM   Printed: 02/13/01 3:01 PM   Page 65 of 16

To convert a value expressed as a rate on the home screen, you can use parentheses and
the division operator ( 

 ). For example, if a car travels 325 miles in 4 hours, and you want

to know the rate of speed in kilometers per hour, enter this expression:

This expression returns 

 km

àhr (rounded up).

You also can return this result using only a forward slash, as in:  

The number base mode setting (Chapter 1) controls how the TI

-86 interprets an entered

number and displays results on the home screen. However, you can enter numbers in any
number base using number base designators Ü, Ý, Þ, and ß. Then you can display the result
on the home screen in any number base using number base conversions.

All numbers are stored internally as decimal. If you perform an operation in a mode setting
other than 

, the TI

-86 performs integer mathematics, truncating to an integer after every

calculation and expression.

For example, in 

 mode, 

 returns 

 (1 divided by 3, truncated to 0, and then added to 7).

To enter a forward slash

( 

)

, you can use the  

F

 key

or paste it from the

CATALOG

.