Texas Instruments TI-84 Plus C, Getting Started

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18 Getting Started with the TI-84 Plus C Silver Edition
NORMAL, SCI, ENG
Notation modes only affect the way an answer is displayed on the home
screen. Numeric answers can be displayed with up to 10 digits and a two-
digit exponent and as fractions. You can enter a number in any format.
Normal
notation mode is the usual way we express numbers, with digits
to the left and right of the decimal, as in
12345.67
.
Sci
(scientific) notation mode expresses numbers in two parts. The
significant digits display with one digit to the left of the decimal. The
appropriate power of 10 displays to the right of
å
, as in
1.234567
â
4
.
Eng
(engineering) notation mode is similar to scientific notation.
However, the number can have one, two, or three digits before the
decimal; and the power-of-10 exponent is a multiple of three, as in
12.34567
â
3
.
Note: If you select
Normal
notation, but the answer cannot display in 10
digits (or the absolute value is less than .001), the TI-84 Plus C expresses
the answer in scientific notation.
FLOAT, 0 1 2 3 4 5 6 7 8 9
Float
(floating) decimal mode displays up to 10 digits, plus the sign and
decimal.
FIX 0123456789
decimal mode specifies the number of digits (0 through
9) to display to the right of the decimal for decimal answers.
The decimal setting applies to
Normal
,
Sci
, and
Eng
notation modes.
The decimal setting applies to these numbers, with respect to the
Answer mode setting:
• An answer displayed on the home screen
• Coordinates on a graph (Chapters 3, 4, 5, and 6 in the guidebook)
• The
Tangent(
DRAW instruction equation of the line, x, and
dy/dx
values (Chapter 8 in the guidebook)
• Results of CALCULATE operations (Chapters 3, 4, 5, and 6 in the
guidebook)
• The regression equation stored after the execution of a regression
model (Chapter 12 in the guidebook)
RADIAN, DEGREE
Angle modes control how the TI-84 Plus C interprets angle values in
trigonometric functions and polar/rectangular conversions.