(1) he saw that a point or separatrix was quite enough to separate integers from decimals, and that no signs to indicate primes, seconds, &c., were required; (2) he used ciphers after the decimal point and preceding the first significant figure; and (3) he had no objection to a decimal standing by itself without any integer.
The documents underlying the Pentateuch and book of Joshua, represented by the ciphers J, E, D and P, are assumed to have been drawn up in the chronological order in which those ciphers are here set down, and the period of their composition extends from the 9th century B.C., in which the earlier portions of J were written, to the 5th century B.C., in which P finally took shape.
The same historian tells us that Gerbert borrowed from the Arabs (Saraceni) the abacus with ciphers (see Numerals).
At the end of August 1793, the republicans had three armies in the Vendee - the army of Rochelle, the army of Brest and the Mayengais; but their generals were either ciphers, like C. P. H.
The ciphers are different, but on the same principle: the characters in each are either single digits or combinations of two or three digits, standing some of them for letters, others for syllables or words, - the number of distinct characters which had to be deciphered being thus very considerable.
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