Page:Three Books of Occult Philosophy (De Occulta Philosophia) (1651).djvu/256

 of an acute tone, then it signifies so many thousands, as in these examples.

After the third manner, the Greeks use only six letters in signifying their numbers, viz. Ι, for an Unite, Π for the number five, because it is the head of the word πέντε (i.e.) five. Δ for the number ten, from δέκα. Η for a hundred from ἐκατόν. Χ for a thousand from the word χίλια, Μ for ten thousand from μύρια. From which six letters joyned in number after their manner unto four, or to other numbers, they make other numbers, besides Π which is not multiplyed, nor joyned to it self, but alwayes signifies the fives of others, as appears in the following examples.