MATHEMATICS

(See also Numbers; Probability)

ability belies evolution: ct 55

ability of plants: g 11/15 16

ability unique to humans: ct 61

algebra: g 5/15 12

arithmetic: g03 5/22 21

benefits in everyday life: g03 5/22 21-23

contributions of Arabs: g 2/12 28; g93 5/8 20-21; g88 11/8 27

al-Khwarizmi: g 5/15 12-13

Fibonacci sequence in plants: g 9/06 25

golden angle: g 9/06 24-25

golden angle in plants: g 8/07 30

Maya discoveries: g90 5/8 13-14

origin of zero: si 282

threshold of probability: sh 336

Ur:

clay tablets: it-2 1142

value of pi: g00 7/22 24; g96 12/8 29; g87 6/8 30