Modern practitioner convention In this app, A–I map to 1–9, J–R repeat 1–9, and S–Z map to 1–8. Add the values for all letters to obtain the Expression total. Soul Urge uses A, E, I, O, U; Personality uses the remaining letters.
A transparent choice We treat Y as a consonant. Other practitioners treat it differently depending on pronunciation. Diacritics are normalized; names in other scripts need a transliteration you choose. The table is a declared app convention, not a claim of ancient provenance.
Try it ALICE gives 1 + 3 + 9 + 3 + 5 = 21 → 3.