Texas Instruments TI-84 - Manual (Page 25)

Chapter 1: Operating the TI-84 Plus Silver Edition 22
Float, 0123456789 Float, 0123456789 Float, 0123456789 Float, 0123456789
Float (floating) decimal mode displays up to 10 digits, plus the sign and decimal.
0123456789 (fixed) decimal mode specifies the number of digits (0 through 9) to display
to the right of the decimal. Place the cursor on the desired number of decimal digits, and
then press
Í.
The decimal setting applies to Normal , Sci , and Eng notation modes.
The decimal setting applies to these numbers:
• An answer displayed on the home screen
• Coordinates on a graph (Chapters 3, 4, 5, and 6)
• The Tangent( DRAW instruction equation of the line, x, and dy/dx values (Chapter 8)
• Results of CALCULATE operations (Chapters 3, 4, 5, and 6)
• The regression equation stored after the execution of a regression model
(Chapter 12)
Radian, Degree Radian, Degree Radian, Degree Radian, Degree
Angle modes control how the TI-84 Plus interprets angle values in trigonometric
functions and polar/rectangular conversions.
Radian mode interprets angle values as radians. Answers display in radians.
Degree mode interprets angle values as degrees. Answers display in degrees.