Texas Instruments TI-89 Manuel D’Utilisation

Appendix B: Technical Reference

923

Note: If you select NORMAL, but the answer cannot be displayed in the number of digits
selected by Display Digits, the TI-89 Titanium / Voyage™ 200 displays the answer in
SCIENTIFIC notation. If Display Digits = FLOAT, scientific notation will be used for
exponents of 12 or more and exponents of -4 or less.

Complex Format

Specifies whether complex results are displayed and, if so, their format.

Vector Format

Determines how 2-element and 3-element vectors are displayed. You can enter vectors
in any of the coordinate systems.

Pretty Print

Determines how results are displayed on the Home screen.

Note: For a complete description of these settings, refer to “Formats of Displayed
Results” in the Operating the Calculator module.

3:ENGINEERING

Similar to scientific notation. However:

•

The number may have one, two, or three digits
before the decimal.

•

The power-of-10 exponent is a multiple of three.

For example, 12.34567

3 means 12.34567

1:REAL

Does not display complex results. (If a result is
a complex number and the input does not
contain the complex unit i, an error message is
displayed.)

2:RECTANGULAR Displays complex numbers in the form: a+b

3:POLAR

Displays complex numbers in the form: r

1:RECTANGULAR

Coordinates are in terms of

, and

. For

example,

[3,5,2]

represents

x = 3

y = 5

, and

z = 2.

2:CYLINDRICAL

Coordinates are in terms of r,

, and z. For

example, [3,

∠

45,2] represents r = 3,

= 45,

and z = 2.

3:SPHERICAL

Coordinates are in terms of r,

, and

. For

example, [3,

∠

45,

∠

90] represents r = 3,

= 45, and

= 90.

1:OFF

Results are displayed in a linear, one-
dimensional form.

For example,

^2,

/2, or

‡

((x-3)/x)

2:ON

Results are displayed in conventional
mathematical format.

For example,

2, ,

---

x 3

–

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