English exchequer and 165
Greek 105
Indian 136
origins of 31, 41–7, 41, 45, 55, 58, 62, 64, 73, 76, 79, 98, 182
Pomo 268
Yup’ik 255–61, 255
Tasmania 231
tax 286
China/Hong Gongshou 188–95, 192, 206
Egypt, ancient 92–8, 93
USA 206
Vijjadavida 142
Teianti 92–8, 93
ten, number
as base for counting 60–1, 182–3
Bhaskara and 143
decimal system see decimal system
Roman finger-counting and 114
tallies and 42
Vedic hymns and 137
Thebes 92–8, 93
thermometers 173, 177, 179
Thule culture 256
Tikal 275–6
Time magazine 201
Tocharian 140–1
Tok Pisin 241
Toledan numerals 157–65, 163, 173, 183
Tonga/Tongan language 2, 244–52, 245
tools 40–1, 43, 50, 58, 231–2, 236, 249, 257
bone 35, 39, 236
stone 33, 34, 38, 236
Torres Straits 231
trade
accounting and 171–2
Australian networks of 232, 236, 241–3
Chinese mathematical writing and 194
Greek, ancient 106, 110
India and 140, 142
Mayan world 271, 276, 277