The Handy Math Answer Book

Existence theorems, 117

Explicit differential equa-

tions, 232

Exponential equation, 149

Exponential function, 147,

148 (ill.), 197 (ill.)

Exponential growth, 457

Exponentiation, 144

Exponents, 86–87, 143–44

Expression, 133

Extensionality, 123

Exterior angles, 174

Extrapolation, 324

Extrasolar planets, 293–94

F

Factorial, 143

Factorial/primorial primes,

84

Factoring, 97, 155–56

Factors, 93, 97

Fahrenheit, Daniel Gabriel,

54–55

Fahrenheit scale, 54–55

Fallacy, 120

Fatigue analysis, 326

Federal Bureau of Investiga-

tion (FBI), 394

Feet, 44

Fermat, Pierre de, 26–27, 85,

193, 210, 253

Fermat’s Enigma: The Epic

Quest to Solve the World’s

Greatest Mathematical

Problem(Singh), 454

Fermat’s Last Theorem,

26–27, 84, 117, 454

Fernandes, Luis, 462

Ferrari, Luigi, 25

Feynman, Richard, 117, 457

Fibonacci, 23, 70

Fibonacci sequence, 23, 84,

86, 86 (table)

Field, 160

Field goal percentage (bas-

ketball), 436

Fields Institute for Research

in Mathematical Sciences,

444–45

Fields Medal of the Interna-

tional Mathematical Con-

gress, 36

15 Puzzle, 424, 425 (ill.)

Finance charge, 413

Financial indicators, 390–91

Fine arts

art, 373–74

Escher, M. C., 376–77

geometry, 375–76, 376

(ill.)

humanities, 373

Islamic patterns, 375–76,

376 (ill.)

mathematical sculptures,

377–78

Mozart Effect, 378, 379

(ill.)

music, 378–80

music of the spheres,

379–80

perspective, 373, 374,

375, 375 (ill.)

Vedic square, 376, 377

(ill.)

Finite element analysis, 325,

326

Finite field, 160

Finite series, 215

Finite sets, 126

Fiore, Antonio Maria, 24, 25

First-order differential equa-

tions, 232–33, 234

First-order homogeneous

differential equations, 234

Fisher, Sir Ronald Aylmer,

316

Fisher’s Fundamental Theo-

rem of Natural Selection,

316

FitzGerald, Edward, 22

Five-card poker, 431–32

Flight mechanics, 344–45,

345 (ill.)

Floating-point arithmetic,

68

Fluff factor, 404

Fluid mechanics, 283,

328–30, 329 (ill.)

Foot, 44–46

Football, 435–36

Formalism, 114

Formula, 110, 134–35

Formulas for calculating

areas and volumes of

shapes, 479–81

Four color theorem, 367

Four Colors Suffice: How the

Map Problem Was Solved

(Wilson), 454

Four or more dimensions,

169–70

Fourier, Jean Baptiste, 324

Fourier series, 324–25

Fox, 4 (ill.)

Fractal geometry, 35–36, 373

Fractional mixes, 100

Fractional numbers, 74–75

Fractions

adding and subtracting,

99

and decimals, 99

Egyptians, 13

equivalent, 100–1

improper, 98–99

multiplying and dividing,

99–100

proper, 98–99

reciprocal, 101

reducing, 100

unit, 101

zero, 99

Fraenkel, Adolf Abraham

Halevi, 127

Francesca, Piero della,

374–75

Free throw percentage, 436

Frege, Friedrich Ludwig

Gottlob, 111

French Revolution, 53

Frequency table, 263–64

Freyle, Brother Juan Diez,

68

Fuh-Hi, 438

Fujita-Pearson Tornado

Intensity Scale, 311–13

(table), 313 (ill.)

Fujita, Tetsuya Theodore,

311

Function(magazine), 450

Functional analysis, 241

Functions, 128–29, 138, 139 491

INDEX

Handy Math BM 8/19/07 5:18 PM Page 491