Texas Instruments TI-80 User Manual - Page 229

E (Cont.) Equation Operating System, 1-20, 1-21 Equations, parametric, 5-2 to 5-6 Erasing a program, 10-4, 12-3 Errors, 1-22, 8-5, 10-4, B-11 to B-13 Evaluating expressions, 1-6, 3-4 Evaluating functions, 4-7 Executing programs, 10-5 Exponent: E, 1-7, A-4 Exponential regression, 9-14, 9-16, A-5 EXPREG, 9-14, 9-16, A-5 Expressions, x, 1-6 G Getting Started. See Applications Glossary, x GOTO, 10-7, 10-10, A-6, B-12 Graph accuracy, 4-12, B-8 defining, 4-3, 5-3 displaying, 12, 4-11, 5-5 mode, 1-9, 4-4 parametric, 5-1 to 5-6 Greater than: >, 2-16, A-6 Greater than or equal: ,, 2-16, A-6 Greatest integer, 2-10, A-7 GRIDOFF, GRIDON, 4-11, 7-6, A-6 Guidebook, using, viii to ix F F (frequency), 9-19, 9-20 Factorial:!, 2-12, 2-13, A-5, B-9 Features, 14 FIX MODE, 1-9, 1-10, A-5 FLOAT MODE, 1-9, 1-10, A-5 FNOFF, FNON, 4-8, A-5 FOR(, 10-9, A-5 FPART, 2-10, A-6 FRACTION menu, 3-8, 3-10 Fractional part, 2-10, A-6 Fractions converting, 3-8 to 3-10 entering, 3-6 in expressions, 3-5 mixed, 3-6 modes, 3-4, 34-8, 3-5 simple, 3-6 simplifying, 3-8 8FRAC, 3-10, A-6 Free-moving cursor, 4-12, 5-6 Frequency, 9-19, 9-20 FUNC MODE, 1-9, 1-11, 4-4, 7-3, A-6 Functions, x, 1-6, 1-7, 2-3, B-9 clearing, 4-6 editing, 4-6 entering, 4-7 defining, 4-5, 4-6, 5-3 evaluating, 4-7 graphing, 4-2 to 4-18 parametric, 5-2 to 5-6 selecting, 4-8, 5-4 H HISTOGRAM, 9-19 Home screen, x, 1-4 HORIZONTAL, 7-3, 7-5, A-7 Horizontal line, 7-5, A-7 I IF, 10-7, 10-8, A-7 Implied multiplication, 1-21 INCREMENT error, B-12 Independent variable, 4-5, 6-3, 6-5, 6-6 INPUT, 10-2, 10-11, A-7 Input to programs, 10-11 to 10-13 I/O menu, 10-11 to 10-13 Inserting, 1-8 Instructions, x, 1-6, 1-7 INT, 2-10, A-7 INT ÷, 2-7, A-7 Integer part, 2-10, A-8 Interrupt, 1-7, 10-4, B-11 INVALID error, B-12 INVALID DIM error, B-12 Inverse: -1, 2-4, A-7 log, 2-5 trig, 2-4 IPART, 2-10, A-8 Index I-3