Tannery, P., 62, 84, 85

Tartaglia, 4, 61

Taylor, I., 19, 30

Teca, 55, 61

Tennent, J. E., 75

Texada, 60

Theca, 58, 61

Theophanes, 64

Thibaut, G., 12, 13, 16, 44, 47

Tibetan numerals, 36

Timotheus, 103

Tonstall, C., 3, 61

Trenchant, 60

Treutlein, 5, 63, 123

Trevisa, 136

Treviso arithmetic, 145

Trivium and quadrivium, 73

Tsin, 56

Tunis, 65

Turchill, 88, 118, 123

Turnour, G., 75

Tziphra, 57, 62

τζίφρα, 55, 57, 62

Tzwivel, 61, 118, 145

Ujjain, 32

Unger, 133

Upanishads, 12

Usk, 121

Valla, G., 61

Van der Schuere, 62

Varāha-Mihira, 39, 44, 78

Vāsavadattā, 44

Vaux, Carra de, 9, 74

Vaux, W. S. W., 91

Vedāṅgas, 17

Vedas, 12, 15, 17

Vergil, 80

Vincent, A. J. H., 57

Vogt, 13

Voizot, P., 36

Vossius, 4, 76, 81, 84

Wallis, 3, 62, 84, 116

Wappler, E., 54, 126

Wäschke, H., 2, 93

Wattenbach, 143

Weber, A., 31

Weidler, I. F., 34, 66

Weidler, I. F. and G. I., 63, 66

Weissenborn, 85, 110

Wertheim, G., 57, 61

Whitney, W. D., 13

Wilford, F., 75

Wilkens, 62

Wilkinson, J. G., 70

Willichius, 3

Woepcke, 3, 6, 42, 63, 64, 65, 67, 69, 70, 94, 113, 138

Wolack, G., 54

Woodruff, C. E., 32

Word and letter numerals, 38, 44

Wüstenfeld, 74

Yule, H., 107

Zephirum, 57, 58

Zephyr, 59

Zepiro, 58

Zero, 26, 38, 40, 43, 45, 49, 51-62, 67

Zeuero, 58