Texas Instruments TI-89 사용자 설명서

Operating the Calculator

 170

Internally, the calculator calculates and retains all decimal results with up to 14 
significant digits (although a maximum of 12 are displayed).

 

•

Regardless of the 

 setting, the full value is used for internal floating-

point calculations to ensure maximum accuracy.

•

A result is automatically shown in scientific notation if its magnitude cannot be 
displayed in the selected number of digits.

Exponential Format Mode

Exponential Format Mode

Exponential Format Mode

Exponential Format Mode

FIX
(0–12)

123.
123.5
123.46
123.457

(FIX 0)
(FIX 1)
(FIX 2)
(FIX 3)

Results are rounded to the 
selected number of decimal 
places.

FLOAT

123.456789012

Number of decimal places varies, 
depending on the result.

FLOAT
(1–12)

1.E 2
1.2E 2
123.
123.5
123.46
123.457

(FLOAT 1)
(FLOAT 2)
(FLOAT 3)
(FLOAT 4)
(FLOAT 5)
(FLOAT 6)

Results are rounded to the total 
number of selected digits.

By default, 

. 

You can use 

3 to select from three 

settings.