The Christianization of Europe
The Byzantine Empire
Europe’s Cultural Circles: an Interpretation
(after M. Shennan)
The Frankish Empire,
AD
800–77
Khazaria at its Greatest Extent,
c
.
AD
900
The Christian
Reconquista
in Iberia, 850–1493
Numerals and Mathematical Notation
(1)
Numerals:
(
a
) Phoenician (1st millennium
BC
), based on Egyptian hieroglyphic numerals, and similar to the Minoan system, (
b
) Greek (from 350
BC
), a literal system, and a close counterpart to Hebrew numerals, (c) Roman, (
d
) North Indian (Sanskrit, 1st millennium
AD
), (
e
) Eastern Arabic (10th cent.), (ƒ) Iberian Arabic (11th cent.). (
g
) Renaissance calligraphic, (
h
) Modern standard printed numerals. (
i
) Contemporary seven-bar digital. (After F. Cajori, A. Frutiger.)
1 2 3 4 5 6 7 8 9 10 20 100
a
.
b
.
c
.
d
.
e
.
f
.
g
.
h
.