Repetitio :: Antiquity Narratio :: L'histoire de fille mecanique Questio :: What is a digit ? Lectio :: Dark ages al-Khwarizmi Fibonacci Exercitio :: Abacus II
digit (n.) in English since late 14c., "numeral below 10," from Latin digitus (french: "doigt") "finger or toe" (also with secondary meanings relating to count
any of the Arabic numerals 1 to 9 and usually the symbol 0 one of the elements that combine to form numbers in a system other than the decimal system digits ,
a symbol denoting/representing a natural number ("a numeral") we'll work with four systems of numerals roman: I, V, X, L, C, D, M decimal: 0, 1, 2, 3, 4, 5, 6,
persian scholar from golden-age of islamic science his name Latinized as "Algorithmi" (Port. "guarismo" and Spanish "algarismo" mean digit) since 820 A.D. the
8th century - 12th century :: golden-age of islamic science integration of Persian and Arabic into one cultural realm translation of Greek and Roman works into
book about solving quadratic equations principial mathematical text-book of European Universities until 16th century al-ğabr ("forcing", "restoring") operation
If some one says: "You divide ten into two parts: multiply the one by itself; it will be equal to the other taken eighty-one times." Computation: You say, ten l
Kitāb al-Jam‘ wat-Tafrīq bi-Ḥisāb al-Hi("The Book of Addition and Subtraction According to the Hindu Calculation") Arabic original of the book has been lost 12
"the most talented Western mathematician of the Middle Ages" his book Liber Abaci (1202) popularized the Hindu-Arabic numeral systems in Europe travelled exten
"Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its sec
"The nine Indian figures are: 9 8 7 6 5 4 3 2 1 With these nine figures, and with the sign 0 which the Arabs call zephir any number whatsoever is written..." Le