Analysis of information sources in references of the Wikipedia article "Decimal separator" in English language version.
* Write decimal and negative numbers as numerals: 3,3 and –4. Use the decimal comma, not the decimal point: 17,4 million. [...] * Use a space, not commas, to indicate thousands: 3 000, 20 000.
{{cite book}}: CS1 maint: numeric names: authors list (link)The cost per aircraft was estimated at between N$19,5 million and N$26 million.
La escritura de los números se hará utilizando las cifras arábigas y la numeración decimal, y en ella se separará la parte entera de la decimal mediante una coma (,).
For the purpose of promoting a process tending towards unification, the use of the point as decimal separator is recommended.(2.2.1.2.1)
The comma is the only recognised decimal indicator for all numbers, including amounts of (currency) money.
The cost per aircraft was estimated at between N$19,5 million and N$26 million.