functions, 6–5, 6–15, G–1 in programs, 12–4, 12–6,

12–21, 13–10 integrating, 8–2 lengths, 6–18, 12–6, B–2 list of. See equation list long, 6–7

memory in, 12–14 multiple roots, 7–8 no root, 7–6 numbers in, 6–5

numeric value of, 6–9, 6–10, 7–1, 7–5, 12–4

operation summary, 6–3 parentheses, 6–5, 6–6, 6–14 polynomial, 15–20 precedence of operators, 6–13 prompt for values, 6–10, 6–12 prompting in programs, 13–10,

14–1, 14–8 roots, 7–1

scrolling, 6–7, 12–6, 12–14 simultaneous, 15–12 solving, 7–1, D–1

stack usage, 6–11

storing variable value, 6–11 syntax, 6–13, 6–18, 12–14 TVM equation, 17–1 types of, 6–9

uses, 6–1

variables in, 6–3, 7–1 with (i), 13–24

error messages, F–1 errors

clearing, 1–5 correcting, 2–7, F–1

estimation (statistical), 11–7, 16–1 executing programs, 12–9

exponential curve fitting, 16–1 exponential functions, 1–15, 4–1,

9–3

exponents of ten, 1–14, 1–15 expression equations, 6–9, 6–10,

7–1

F

≥FN. See integration

‹

not programmable, 5–9

toggles display mode, 1–23, 5–1, A–2

toggles flag, 13–9 factorial function, 4–14 financial calculations, 17–1

FIX format, 1–19. See also display format

flags

annunciators, 13–11 clearing, 13–11 default states, 13–8, B–3 equation evaluation, 13–10 equation prompting, 13–10 fraction display, 5–6, 13–9 meanings, 13–8 operations, 13–11 overflow, 13–9

setting, 13–11 testing, 13–8, 13–11 unassigned, 13–9

flow diagrams, 13–2 FN=

in programs, 14–6, 14–9 integrating programs, 14–8 solving programs, 14–1

Index–5