Texas Instruments TI-89 Voyage 200, User Manual

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Appendix B: Technical Reference 922
Note: For detailed information about using folders, see Calculator Home Screen .
Display Digits Display Digits Display Digits Display Digits
Selects the number of digits. These decimal settings affect only how results are
displayed—you can enter a number in any format.
Internally, the TI-89 Titanium / Voyage™ 200 retains decimal numbers with 14 significant
digits. For display purposes, such numbers are rounded to a maximum of 12 significant
digits.
Angle Angle Angle Angle
Specifies the units in which angle values are interpreted and displayed in trig functions
and polar/rectangular conversions.
Exponential Format Exponential Format Exponential Format Exponential Format
Specifies which notation format should be used. These formats affect only how an
answer is displayed; you can enter a number in any format. Numeric answers can be
displayed with up to 12 digits and a 3-digit exponent.
1:main
Default folder included with the TI-89
Titanium / Voyage™ 200.
2: —
(custom folders)
Other folders are available only if they have
been created by a user.
1:FIX 0
2:FIX 1
…
D:FIX 12
Results are always displayed with the
selected number of decimal places.
E:FLOAT
The number of decimal places varies,
depending on the result.
F:FLOAT 1
G:FLOAT 2
…
Q:FLOAT 12
If the integer part has more than the selected
number of digits, the result is rounded and
displayed in scientific notation.
For example, in
FLOAT 4
:
12345
. is shown as
1.235E4
1:RADIAN
2:DEGREE
3:GRADIAN
1:NORMAL
Expresses numbers in standard format. For
example,
12345.67
2:SCIENTIFIC
Expresses numbers in two parts:
• The significant digits display with one digit to the
left of the decimal.
•
The power of 10 displays to the right of
E
.
For example, 1.234567
E
4 means 1.234567
×
10 4