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By comparing the form of several yupanas, researchers found that calculations were based using the Fibonacci sequence 1, 1, 2, 3, 5 and powers of 10, 20, and 40 as place values for the different fields in the instrument. Using the Fibonacci sequence would keep the number of grains within any one field at a minimum.
Initially carried out by members of the Castilian nobility in exchange for a covenant of allegiance to the crown, the process was later carried out by the Spanish crown itself during the reign of the Catholic Monarchs. Various scholars have used the term "genocide" to describe the conquest of the Canary Islands.
Africa is the world's second-largest and second-most populous continent after Asia.At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area. [9]
Remington Rand eventually sold 46 machines at more than US$1 million each ($11.7 million as of 2025). [130] UNIVAC was the first "mass-produced" computer. It used 5,200 vacuum tubes and consumed 125 kW of power. Its primary storage was serial-access mercury delay lines capable of storing 1,000 words of 11 decimal digits plus sign (72-bit words).
The Japanese paper-folding art of origami has been reworked mathematically by Tomoko Fusé using modules, congruent pieces of paper such as squares, and making them into polyhedra or tilings. [185] Paper-folding was used in 1893 by T. Sundara Rao in his Geometric Exercises in Paper Folding to demonstrate geometrical proofs. [ 186 ]
The word swastika is derived from the Sanskrit root swasti, which is composed of su 'good, well' and asti 'is; it is; there is'. [31] The word swasti occurs frequently in the Vedas as well as in classical literature, meaning 'health, luck, success, prosperity', and it was commonly used as a greeting.
Material: Vellum: Size: ≈ 23.5 cm × 16.2 cm × 5 cm (9.3 in × 6.4 in × 2.0 in) Format: One column in the page body, with slightly indented right margin and with paragraph divisions, and often with stars in the left margin; [12] the rest of the manuscript appears in the form of graphics (i.e. diagrams or markings for certain parts related to illustrations), containing some foldable parts