Texas TI-86 用户手册

01OPER.DOC   TI-86, Chap 1, US English   Bob Fedorisko   Revised: 02/13/01 2:18 PM   Printed: 02/13/01 2:59 PM   Page 34 of 22

01OPER.DOC   TI-86, Chap 1, US English   Bob Fedorisko   Revised: 02/13/01 2:18 PM   Printed: 02/13/01 2:59 PM   Page 34 of 22

To display the mode settings, press - m. The current
settings are highlighted. Mode settings control how the
TI

-86 displays and interprets numbers and graphs. The

Constant Memory feature retains current mode settings
when the TI

-86 is turned off. All numbers, including

elements of matrices and lists, are displayed according to
the mode settings.

�   Move the cursor to the line of the setting that you

want to change (decimal setting in the example).

�   Move the cursor to the setting you want (2 decimal

places).

�   Execute the change.

#

" " "

b

Notation Modes

Displays results with digits to the left and right of the decimal (as in 

)

(scientific) Displays results in two parts: significant digits (with one digit to the left of
the decimal) are displayed to the left of 

 and the appropriate power of 10 is displayed

to the right of 

 (as in 

)

(engineering) Displays results in two parts: significant digits (with one, two, or three
digits to the left of the decimal) are displayed to the left of 

 and the appropriate power

of 10 (which is always a multiple of 3) is displayed to the right of 

 (as in 

)

In the screen to the right, the
default mode settings are
highlighted along the left side
of the screen.

This example changes the
decimal mode setting to 2, as
in U.S. dollars and cents.

In 

 notation, if the

answer is more than 12 digits
or the absolute value of the
answer < .001, it is displayed
in scientific notation.

Notation modes do not affect
how you enter numbers.