Here are some options to study numerology. There are some ebooks from where you can find some information.
There are some videos out there on youtube. You can learn from them too.
But most importantly there are universities that offer numerology based courses. Here you learn how to work with numerology calculators and predictions based on numerology and birth numbers.
Among many, the powerful tool to learn numerology is to have experience in numerology predictions and numerology name correction.
With experience, you can learn better than studying many conventional books about numerology.
There are many websites offering free predictions and numerology name change services. You can just learn from there thoroughly.