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Reconstruction of a Roman peristyle surrounding a courtyard in Pompeii, Italy. In ancient Greek [1] and Roman architecture, [2] a peristyle (/ ˈ p ɛr ɪ ˌ s t aɪ l /; Ancient Greek: περίστυλον, romanized: perístulon) [3] [4] is a continuous porch formed by a row of columns surrounding the perimeter of a building or a courtyard.
Centered text is considered less readable for a body of text made up of multiple lines because the ragged starting edges make it difficult for the reader to track from one line to the next. Centered text can also be commonly found on signs, flyers, and similar documents where grabbing the attention of the reader is the main focus, or visual ...
The text has 14 chapters and 500 shlokas. It is one of the eighteen astronomical siddhanta (treatises), but thirteen of the eighteen are believed to be lost to history. The Surya Siddhanta text has survived since the ancient times, has been the best known and the most referred astronomical text in the Indian tradition. [7]
One of the early preserved examples is the anonymous Journal d'un bourgeois de Paris covering the years 1405–1449, giving subjective commentaries on current events. Famous 14th to 16th century Renaissance examples, which appeared much later as books, were the diaries by the Florentines Buonaccorso Pitti and Gregorio Dati and the Venetian ...
This algorithm is known in mathematics as the Sieve of Eratosthenes. In mathematics, the sieve of Eratosthenes (Greek: κόσκινον Ἐρατοσθένους), one of a number of prime number sieves, is a simple, ancient algorithm for finding all prime numbers up
The oldest system, in many respects the basis of the classical one, is known from texts of about 1000 BCE. It divides an approximate solar year of 360 days into 12 lunar months of 27 (according to the early Vedic text Taittirīya Saṃhitā 4.4.10.1–3) or 28 (according to the Atharvaveda , the fourth of the Vedas, 19.7.1.) days.
The Babylonians may have known the general rules for measuring areas and volumes. They measured the circumference of a circle as three times the diameter and the area as one-twelfth the square of the circumference, which would be correct if π is estimated as 3. The volume of a cylinder was taken as the product of the base and the height ...
Apollonius of Perga (c. 240 – c. 190 BC) is known for his work on conic sections and his study of geometry in 3-dimensional space. He is considered one of the greatest ancient Greek mathematicians. Hipparchus (c. 190 – c. 120 BC) is considered the founder of trigonometry [9] and also solved several problems of spherical trigonometry.