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The device is then used to perform the mathematical functions of multiplication, division, addition, subtraction, square root, and cube root. [ 63 ] Although blind students have benefited from talking calculators, the abacus is often taught to these students in early grades. [ 64 ]
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 ]
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]
[g] A reconstructed working copy of one of the Colossus machines is now on display at Bletchley Park. The ENIAC (Electronic Numerical Integrator and Computer) was the first electronic programmable computer built in the US. Although the ENIAC used similar technology to the Colossi, it was much faster and more flexible and was Turing-complete.
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
With the 1848 Treaty of Guadalupe Hidalgo, it gave the United States authority over 525,000 square miles of new territory. In addition to the Gold Rush slaughter, there was also a large number of state-subsidized massacres by colonists against Native Americans in the territory, causing several entire ethnic groups to be wiped out.