Nabatean, 21
origin, 27, 30, 31, 37
supposed Arabic origin, 2
supposed Babylonian origin, 28
supposed Chaldean and Jewish origin, 3
supposed Chinese origin, 28, 32
supposed Egyptian origin, 27, 30, 69, 70
supposed Greek origin, 33
supposed Phoenician origin, 32
tables of, 22-27, 36, 48, 49, 69, 88, 140, 143, 145-148

O'Creat, 5, 55, 119, 120
Olleris, 110, 113
Oppert, G., 14, 75

Pali, 22
Pancasiddh[=a]ntik[=a], 44
Paravey, 32, 57
P[=a]tal[=i]pu[t.]ra, 77
Patna, 77
Patrick, R., 119
Payne, E. J., 106
Pegolotti, 107
Peletier, 2, 62
Perrot, 80
Persia, 66, 91, 107
Pertz, 115
Petrus de Dacia, 59, 61, 62
Pez, P. B., 117
"Philalethes," 75
Phillips, G., 107
Picavet, 105
Pichler, F., 141
Pihan, A. P., 36
Pisa, 128
Place value, 26, 42, 46, 48
Planudes, _see_ Maximus Planudes
Plimpton, G. A., 56, 59, 85, 143, 144, 145, 148
Pliny, 76
Polo, N. and M., 107
{159}
Praendel, J. G., 54
Prinsep, J., 20, 31
Propertius, 80
Prosdocimo de' Beldomandi, 137
Prou, 143
Ptolemy, 54, 78
Putnam, 103
Pythagoras, 63
Pythagorean numbers, 13
Pytheas of Massilia, 76

Rabbi ben Ezra, 60, 127
Radulph of Laon, 60, 113, 118, 124
Raets, 62
Rainer, _see_ Gemma Frisius
R[=a]m[=a]yana, 18
Ramus, 2, 41, 60, 61
Raoul Glaber, 123
Rapson, 77
Rauhfuss, _see_ Dasypodius
Raumer, K. von, 111
Reclus, E., 14, 96, 130
Recorde, 3, 58
Reinaud, 67, 74, 80
Reveillaud, 36
Richer, 110, 112, 115
Riese, A., 119
Robertson, 81
Robertus Cestrensis, 97, 126
Rodet, 5, 44
Roediger, J., 68
Rollandus, 144
Romagnosi, 81
Rosen, F., 5
Rotula, 60
Rudolff, 85
Rudolph, 62, 67
Ruffi, 150

Sachau, 6
Sacrobosco, 3, 58, 133
Sacy, S. de, 66, 70
Sa`d[=i], 102
['S]aka inscriptions, 20
Sam[=u]'[=i]l ibn Ya[h.]y[=a], 93
['S][=a]rad[=a] characters, 55
Savonne, 60
Scaliger, J. C., 73
Scheubel, 62
Schlegel, 12
Schmidt, 133
Schonerus, 87, 119
Schroeder, L. von, 13
Scylax, 75
Sedillot, 8, 34
Senart, 20, 24, 25
Sened ibn `Al[=i], 10, 98
Sfortunati, 62, 150
Shelley, W., 126
Siamese numerals, 36
Siddh[=a]nta, 8, 18
[S.]ifr, 57
Sigsboto, 55
Sih[=a]b al-D[=i]n, 67
Silberberg, 60
Simon, 13
Sin[=a]n ibn al-Fat[h.], 93
Sindbad, 100
Sindhind, 97
Sipos, 60
Sirr, H. C., 75
Skeel, C. A., 74
Smith, D. E., 11, 17