Tengwar numerals

Can anyone recommend a reliable source for the tengwar numerals and the counting system in elvish?

Mae govannen Elo,

Mellonath Daeron, the linguistic branch of the Swedish Tolkien society Forodrim, has an excellent guide you can refer to:

www.forodrim.org (PDF document)

aldaleon

Mae govannen Aldaleon,

Thank you, this was precisely what I was looking for! It never ceases to amaze, the amount of work people put in for these languages.

Namárië