Chaldean Numerology
An older letter-to-number correspondence, and a deliberately different answer. We compute it alongside the Pythagorean system for one reason: the two disagree often enough that the disagreement is informative.
What it measures
The same inputs — name and birth date — through a different key. Letters are assigned by sound rather than by alphabetical position, the number nine is treated as sacred and withheld from the letter mapping, and the reductions follow different rules. The result is that the same name frequently produces different numbers under the two systems.
What it contributes
A visible fork. Most practitioners pick one numerology and never mention that another exists. Running both makes the arbitrariness legible: when they converge, the theme is robust to the choice of method; when they split, you learn that the reading depends on an assumption somebody made about how letters map to numbers.
That is not a weakness of the exercise. It is the most honest thing this layer has to offer, and we print it rather than choosing whichever result reads better.
Its limit — and why we don’t sell it alone
Same limits as its Pythagorean cousin: no timing, no chart, a handful of values. And on its own it loses the very thing that makes it worth computing — there is nothing to compare it against.
Not sold separately. A single numerology in isolation is exactly the kind of thin product our whole method argues against.
Not sold alone. Included in all eight systems, cross-read: €108.