I, Polyglot: Counting by Twenty | Icelandic language, Danish language, Norway language
The Danish Number System
Who gave Denmark its insanely complex numbering system?
Different Counting Systems Mapped - Vivid Maps
Numerals and numeral systems | Examples & Symbols | Britannica
Positional notation - Wikipedia
Danish Number Names and Number Concepts | Semantic Scholar
The Danish Model – don't try this at home - Punditokraterne
The grading scale in the Danish education system | Nordic cooperation
Berlitz Denmark - The Danish number system can be quite confusing, especially the numbers from fifty on wards. They are obviously not based on the number 10, as is the case in