limaçon 90
linear equations 56 –7
linear programming 182 –3
logarithm 24
logarithmic spiral 89
logic 64 –7, 68
Lo Shu square 168 –9
M
magic squares 168 –71
Mandelbrot set 100 –1
manifolds 95
maps, four-colour 120 –3
mathematical induction 70 –1
matrices 58 , 156 –9, 205
Mendel, Gregor 148
Mersenne numbers 42 –3
minimax theorem 188 , 191
mirror symmetry 152
mnemonics, pi 23
Möbius strip 94
money mathematics
diet problem 180 –3
interest 176 –9
Morse code 160
motion 77 –9, 192 –5
multiplying
fractions 13 –14
imaginary numbers 33 –4
matrices 157 –8
zero 5
N
Napoleon’s theorem 86
Nash, John F. 189
Navier–Stokes equations 107
negative numbers 32 –3, 54
Newton, Isaac 76 , 78 , 90 , 193 , 195
non-planar graphs 118
normal curve 140 –3