# MetaNumerology > MetaNumerology is a free interactive numerology application and educational resource. It calculates Pythagorean and Chaldean quick results, complete birth-name and birth-date charts, Personal Year and Personal Month timelines, daily calendars, two-profile compatibility, and an Event Diary for selected dates. Editorial approach: MetaNumerology honors numerology as a sacred interpretative art. The site teaches transparent calculations, spiritual meanings, light and shadow expressions, free will, and practical ways to embody each number's highest potential. ## Main resources - [Calculator and application](https://metanumerology.com/): Quick Calc, Full Reading, Personal Year, Personal Month, Compatibility, and Event Diary. - [Numerology article library](https://metanumerology.com/blog): Complete index of educational guides. - [Complete numerology chart guide](https://metanumerology.com/blog/complete-numerology-chart-reading-guide): Explains every chart position calculated by the Full Reading. - [Name numerology calculator guide](https://metanumerology.com/blog/name-numerology-calculator-guide): Explains Pythagorean and Chaldean name calculations and nickname analysis. - [Personal Year guide](https://metanumerology.com/blog/personal-year-number-calculator-guide): Formula, meanings, and birthday-based timeline. - [Personal Month guide](https://metanumerology.com/blog/personal-month-number-guide): Monthly formula, meanings, and calendar workflow. - [Personal Day guide](https://metanumerology.com/blog/personal-day-number-guide): Daily formula, Universal Day comparison, and calendar workflow. - [Compatibility guide](https://metanumerology.com/blog/numerology-compatibility-calculator-guide): Life Path, Birth Day, cross-chart, and Chinese zodiac comparison. - [Event Diary guide](https://metanumerology.com/blog/numerology-event-diary-important-days-guide): Important-date comparison using Universal and Personal cycles. - [Address numerology guide](https://metanumerology.com/blog/address-numerology-calculator-guide): House, apartment, and full-address methods. ## Foundational guides - [What is numerology?](https://metanumerology.com/blog/what-is-numerology): Beginner overview, limitations, major chart numbers, systems, and app workflow. - [Life Path calculation](https://metanumerology.com/blog/calculate-life-path-number): Step-by-step birth-date method and Master Number convention. - [Master Numbers](https://metanumerology.com/blog/master-numbers-meaning): Meanings of 11, 22, and 33 and where the app preserves them. - [Birthday Number](https://metanumerology.com/blog/birthday-number-meaning): Reduced birth-day calculation and compound context. - [Expression or Destiny Number](https://metanumerology.com/blog/expression-destiny-number): Full birth-name total and meanings. - [Soul Urge Number](https://metanumerology.com/blog/soul-urge-heart-desire-number): Vowel calculation and MetaNumerology's fixed Y rule. - [Personality Number](https://metanumerology.com/blog/personality-number-meaning): Consonant calculation and outward-facing interpretations. - [Pythagorean versus Chaldean](https://metanumerology.com/blog/pythagorean-vs-chaldean-numerology): Exact letter charts and side-by-side Quick Calc behavior. - [Karmic Debt compounds](https://metanumerology.com/blog/karmic-debt-numbers): 13/4, 14/5, 16/7, and 19/1 without fatalistic claims. - [History of numerology](https://metanumerology.com/blog/history-of-numerology): Documented history with clear limits on popular ancient-origin claims. - [Angel numbers overview](https://metanumerology.com/blog/what-are-angel-numbers): Sacred meanings, divine guidance, synchronicity, discernment, and repeating-number roots. - [Angel number 111](https://metanumerology.com/blog/angel-number-111-meaning): Beginnings, attention, action, and the root 3. - [Angel number 222](https://metanumerology.com/blog/angel-number-222-meaning): Balance, relationships, patience, and the root 6. ## Calculation conventions - Full Reading name calculations use Pythagorean letter values. - A, E, I, O, and U are vowels. Y is treated as a consonant for consistent calculation. - Common accented Latin characters and ñ are normalized before calculation. - The Personal Year timeline uses a birthday-to-birthday convention. - Compatibility requires two saved profiles and combines Life Path, Birth Day, cross-chart, and Chinese zodiac interpretations. ## Policies - [Privacy](https://metanumerology.com/privacy) - [Terms](https://metanumerology.com/terms)