Texas Instruments TI-84 PLUS SILV Guidebook - Page 23
Float, 0123456789, Radian, Degree, Func, Par, Pol, Seq - 84 plus silver edition graphing calculator
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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 1.234567â4. 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 12.34567â3. 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 expresses the answer in scientific notation. 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 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) • 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 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. Func, Par, Pol, Seq Graphing modes define the graphing parameters. Chapters 3, 4, 5, and 6 describe these modes in detail. Func (function) graphing mode plots functions, where Y is a function of X (Chapter 3). Par (parametric) graphing mode plots relations, where X and Y are functions of T (Chapter 4). Pol (polar) graphing mode plots functions, where r is a function of q (Chapter 5). Chapter 1: Operating the TI-84 Plus Silver Edition 16