Number sequence and number language: Number sequence: Abstract number sequence
Number sequence used concretely
Expansion of the number sequence by means of supplementary quantities
Principles of the number sequence
Laws governing the formation of number words
Our number words: Indo-European family languages
Non-indo-European languages
Meaning of our number words
Was there a Babylonian influence on our number sequence?
Evolution of the number sequence
Written numerals and computations: Finger counting: Finger counting
Folk symbols for numbers: Tally sticks
Alphabetical numerals: Gothic numerals
Two Greek sets of numerals
Some other connections between letters and numbers
German "Roman numerals: Roman numerals in cursive form
Abacus: Nature of the counting board
Counting board in ancient civilizations
Counting board in the early middle ages
Counting board in the later middle ages
Our own numerals: Place-value notation
Antecedents of our numerals
Westward migration of the Indian numerals
Indian numerals in western Europe
Spoken numbers and number symbols in China and Japan: Far Eastern number systems