HP 33s Index–3, coordinates, denominators, equations, 6–8, 1–17, 9–3checksums, CLEAR menu, 1–6clearing, in programs, 12–6meaning, 1–15

program, 1–24, 12–20 using, 1–24 variable, 1–24, 3–3

chain calculations, 2–11 change–percentage functions, 4–6 changing sign of numbers, 1–14,

1–17, 9–3 checksumsequations, 6–18, 12–6, 12–21 programs, 12–20CLEAR menu, 1–6 clearingequations, 6–8

general information, 1–5 memory, 1–24, A–1 messages, 1–23 numbers, 1–14, 1–16 programs, 1–24, 12–20 statistics registers, 11–2, 11–11 variables, 1–24, 3–3, 3–4 X–register, 2–2, 2–6

clearing memory, A–4, B–3 combinations, 4–14commas (in numbers), 1–18, A–1 comparison tests, 13–7 complex numberscoordinate systems, 9–5 entering, 9–1on stack, 9–1 operations, 9–1, 9–2 polynomial roots, 15–20 viewing, 9–1conditional tests, 13–6, 13–7, 13–8, 13–11, 13–17

constant (filling stack), 2–6 Continuous Memory, 1–1 contrast adjustment, 1–1

conversion functions, 4–9 conversions

angle format, 4–13 angle units, 4–13 coordinates, 4–9, 9–5, 15–1 length units, 4–13

mass units, 4–13 number bases, 10–1 temperature units, 4–13 time format, 4–12 volume units, 4–13

coordinatesconverting, 4–5, 4–9, 15–1 transforming, 15–32correlation coefficient, 11–7, 16–1 cosine (trig), 4–4, 9–3cross product, 15–1 cubic equation, 15–20 curve fitting, 11–8, 16–1

D

Decimal mode. See base mode decimal point, 1–18, A–1 degreesangle units, 4–4, A–2 converting to radians, 4–13denominatorscontrolling, 5–5, 13–9, 13–14 range of, 1–22, 5–1, 5–2 setting maximum, 5–4digit–entry cursor backspacing, 1–5, 6–8, 12–6 in equations, 6–5in programs, 12–6 meaning, 1–15discontinuities of functions, D–5 display

Index–3