RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,623 Citations 34,854 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

8 results for "decimal"

V_1_15 Credible Mathematics & Information

V_1_15 — Indian Mathematics: Zero, Infinity, and the Decimal System

Indian mathematics represents one of the most profound and consequential mathematical traditions in human history — contributing foundational innovations that shaped the course of global mathematics, most notably the dec

Indian mathematics zero decimal Aryabhata Brahmagupta Bhaskara
W_3_12 Credible World Civilizations

W_3_12 — Gupta Empire: Classical India's Golden Age

The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu

Gupta golden age Chandragupta I Samudragupta Chandragupta II Kalidasa
W_2_28 Credible World Civilizations

W_2_28 — Gupta Empire: Classical India's Golden Age

The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu

Gupta golden age Chandragupta I Samudragupta Chandragupta II Kalidasa
ZH_2_02 Verified Archaeoastronomy

ZH_2_02 — Indian Astronomical Traditions: Aryabhata to Jantar Mantar

Indian astronomy (Jyotish Shastra) constitutes one of the most mathematically sophisticated astronomical traditions of the pre-modern world, spanning from the Vedic period (c. 1500–500 BCE) through the classical siddhānt

Indian astronomy Jyotish Aryabhata Brahmagupta Bhaskara Varahamihira
ZG_1_10 Credible Linguistics & Communication

ZG_1_10 — Quipu — Andean Knotted-String Information Systems

The quipu (Quechua khipu, "knot") is a recording device made of cotton or camelid fiber cords, consisting of a main cord from which hang pendant cords bearing an elaborate system of knots — used across the Andean world f

quipu khipu Inca knot string decimal
V_1_19 Credible Mathematics & Information

V_1_19 — Non-Western Mathematical Traditions

The standard Eurocentric narrative of mathematics — from Greek geometry to the European Scientific Revolution — obscures the fact that many foundational mathematical innovations originated in India, China, the Islamic wo

indian-mathematics chinese-mathematics islamic-mathematics mayan-mathematics zero decimal-system
V_1_11 Mathematics & Information

V_1_11 — Islamic Golden Age Mathematics

Islamic Golden Age mathematics (c. 750–1500 CE) preserved, synthesized, and dramatically extended the mathematical traditions of Greece, India, Persia, and Mesopotamia, creating entirely new fields and transmitting the r

Islamic mathematics al-Khwarizmi algebra algorithm Omar Khayyam cubic equations
V_1_12 Mathematics & Information

V_1_12 — Chinese Mathematics History

Chinese mathematics developed independently over at least 3,000 years, producing remarkable achievements often centuries before their European counterparts. The Jiuzhang Suanshu (Nine Chapters on the Mathematical Art, co

Chinese mathematics Nine Chapters rod calculus counting rods Liu Hui Zu Chongzhi