# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/abu-bakr-al-hassar
# Generated: 2026-08-16T04:41:11.874Z

schema: https://schema.org/Person
url: "https://fame.am/person/abu-bakr-al-hassar"
name: "Abu Bakr al-Hassar"
slug: "abu-bakr-al-hassar"
description: "Al-Hassar or Abu Bakr Muhammad ibn Abdallah ibn Ayyash al-Hassar was a 12th-century Moroccan mathematician. He is the author of two books Kitab al-bayan wat-tadhkar, a manual of calculation and Kitab al-kamil fi sinaat al-adad, on the breakdown of numbers. The first book is lost and only a part of the second book remains."
tagline: "Moroccan mathematician"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
livingStatus: "UNKNOWN"
scores:
  popularity:           42.59
  momentum:             10.23330462694747
  historical:           5.676854666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  45
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://fa.wikipedia.org/wiki/%D9%85%D8%AD%D9%85%D8%AF_%D8%A8%D9%86_%D8%AD%D8%B5%D8%A7%D8%B1"
    title: "محمد بن حصار"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%A3%D8%A8%D9%88_%D8%A8%D9%83%D8%B1_%D8%A7%D9%84%D8%AD%D8%B5%D8%A7%D8%B1"
    title: "أبو بكر الحصار"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Abu_Bakr_al-Hassar"
    title: "Abu Bakr al-Hassar"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%90%D0%BB%D1%8C-%D0%A5%D0%B0%D1%81%D0%B0%D1%80"
    title: "Аль-Хасар"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Abu_Bakr_al-Hassar"
    title: "Abu Bakr al-Hassar"
    type:  "WIKIPEDIA"
  - url: "https://ms.wikipedia.org/wiki/Al-Hassar"
    title: "Al-Hassar"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q4116723"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump