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Eratosthenes was the founder of scientific chronology; [5] he used Egyptian and Persian records to estimate the dates of the main events of the Trojan War, dating the sack of Troy to 1183 BC. In number theory, he introduced the sieve of Eratosthenes, an efficient method of identifying prime numbers and composite numbers.
Ahnentafel, also known as the Eytzinger Method, Sosa Method, and Sosa-Stradonitz Method, allows for the numbering of ancestors beginning with a descendant. This system allows one to derive an ancestor's number without compiling the complete list, and allows one to derive an ancestor's relationship based on their number.
Nashville Number System. The Nashville Number System is a method of transcribing music by denoting the scale degree on which a chord is built. It was developed by Neal Matthews Jr in the late 1950s as a simplified system for the Jordanaires to use in the studio and further developed by Charlie McCoy. [ 1] It resembles the Roman numeral [ 2] and ...
Cangjie is the first Chinese input method to use the QWERTY keyboard. Chu saw that the QWERTY keyboard had become an international standard, and therefore believed that Chinese-language input had to be based on it. [ 3] Other, earlier methods use large keyboards with 40 to 2400 keys, except the Four-Corner Method, which uses only number keys.
Rainflow counting identifies the closed cycles in a stress-strain curve. The rainflow-counting algorithm is used in calculating the fatigue life of a component in order to convert a loading sequence of varying stress into a set of constant amplitude stress reversals with equivalent fatigue damage. The method successively extracts the smaller ...
Bopomofo is the predominant phonetic system in teaching, reading and writing in elementary school in Taiwan. In elementary school, particularly in the lower years, Chinese characters in textbooks are often annotated with Bopomofo as ruby characters as an aid to learning. Additionally, one children's newspaper in Taiwan, the Mandarin Daily News ...
Gregg shorthand is a system of phonography, or a phonemic writing system, which means it records the sounds of the speaker, not the English spelling. [ 4] For example, it uses the f stroke for the / f / sound in funnel, telephone, and laugh, [ 8] and omits all silent letters. [ 4] The system is written from left to right and the letters are joined.
ἴσως γὰρ δή τινες ἐπιζητήσουσι πῶς πεποιημένοι τὸν πλεῖστον λόγον ὑπὲρ τῶν κατὰ Λιβύην καὶ κατ᾿ Ἰβηρίαν τόπων οὔτε περὶ τοῦ καθ᾿ Ἡρακλέους στήλας στόματος οὐδὲν ἐπὶ πλεῖον εἰρήκαμεν οὔτε περὶ τῆς ἔξω ...