The Handy Math Answer Book

U

Unary operator, 110

Undefined term, 116

Undenary system, 6

Undergraduate degrees, 444

Uniform Crime Reports, 394

Union, 125

Unit fractions, 101

Unit price, 411

United Kingdom meteorolo-

gy offices, 314

United States and metric sys-

tem, 51

Units of measurement, 461

area, 464

conversion tables, 464-67

density, 465

energy, 465–66

length, 464

mass, 465

pressure, 466–67

volume, 464

UNIVAC, 363

Univariate, 139

Univariate polynomial, 150

Universal Gas Law, 286

Universal set, 126

Unknowns, 134

Unlucky numbers, 385

Upper-bound, 214

U.S. census, 382

UTC (Coordinated Universal

Time), 397, 398–99, 399

(table)

V

Vanishing numbers, 74

Variables, 134, 139

Variance, 260–61

Vector analysis, 240

Vectors. See alsoCalculus;

Differential calculus; Dif-

ferential equations; Inte-

gral calculus; Mathemati-

cal analysis

addition of, 240

columns and rows,

237–38

component of, 236–37

definition of, 236

dimensional space, 239,

239 (ill.)

length of, 238

linear combination, 241

magnitude, 237

normalized, 238–39

polar coordinate system,

239

product of, 240

tensor, 240

use of, 237 (ill.), 238

vector analysis, 240

Vedic religion, 383

Vedic square, 376, 377 (ill.)

Vehicle identification num-

bers (VIN), 436

Venn diagrams, 106, 106

(ill.)

Venn, John, 106, 162

Verne, Jules, 455, 455 (ill.)

Vertex angle, 183

Vertical angles, 174

Vertical asymptotes, 219, 219

(ill.)

Vibrational analysis, 325–26

Viète, François, 24, 131, 134,

136, 168

Vigesimal system, 6

Vinculum, 96

Vitruvius, 336, 338

Volterra, Vito, 321

Volume, 48–49, 190–91, 464,

480–81

W

Walks plus hits per inning

pitched, 435

Wallis, John, 40, 129, 146

Wave mechanics, 282

Weather

aneroid barometer, 404

Plant Hardiness Zone

Map, 405

prediction, 313–14

rainfall, 403–4

records, 247

wind speed, 405

Weather Research Forecast

model, 314

Web sites, 458–62

Weight, 46–47, 277, 277 (ill.)

Wessel, Casper, 199

Whitehead, Alfred North,

31–32

Widmann, Johann, 93

Wiles, Andrew John, 26

Wilson, Robin, 454

Winchester bushel, 49

Wind, 308–9, 309–10 (table)

Wind chill, 309–10 (table)

Wind speed, 405

Windshields, 436

Wolfskehl, Paul, 26

Wood, Thomas Nathan, 359

Word problems, 135

Work, 278

World calendar, 64

World Wide Web (WWW),

369

Wright, Sewall Green, 316

X-Y

Xu Yue, 21

Xylander, Wilhelm, 92

y-intercept, 196

Yard, 44

Yates, Samuel, 84

Year, 23

Z

Zeno of Elea, 16, 120, 166,

210

Zeno’s paradoxes, 120

Zermelo, Ernst Friedrich

Ferdinand, 127

Zermelo-Fraenkel axioms,

127

Zermelo’s axiom of choice,

127

Zero

Babylonians, 9, 10

book about, 453

definition of, 90–91

division, 95

erroneous “1=0” proof,

441

evolution of, 37

Fibonacci, 23 505

INDEX

Handy Math BM 8/19/07 5:18 PM Page 505