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There are two regular heptagrams, labeled as {7/2} and {7/3}, with the second number representing the vertex interval step from a regular heptagon, {7/1}. This is the smallest star polygon that can be drawn in two forms, as irreducible fractions. The two heptagrams are sometimes called the heptagram (for {7/2}) and the great heptagram (for {7/3}).
Simpson's 1/3 rule. Simpson's 1/3 rule, also simply called Simpson's rule, is a method for numerical integration proposed by Thomas Simpson. It is based upon a quadratic interpolation and is the composite Simpson's 1/3 rule evaluated for . Simpson's 1/3 rule is as follows: where is the step size for .
A variety of rulers A 2 m (6 ft 6 + 3 ⁄ 4 in) carpenter's rule Retractable flexible rule or tape measure A closeup of a steel ruler A ruler in combination with a letter scale. A ruler, sometimes called a rule, scale or a line gauge, is an instrument used to make length measurements, whereby a user estimates a length by reading from a series of markings called "rules" along an edge of the ...
The tree is at the intersection of two lines, sometimes called a power point[1] or a crash point. [2] The rule of thirds is a rule of thumb for composing visual images such as designs, films, paintings, and photographs. [3] The guideline proposes that an image should be imagined as divided into nine equal parts by two equally spaced horizontal ...
Christ Pantocrator mosaic in Byzantine style from the Cefalù Cathedral, Sicily. The most common translation of Pantocrator is "Almighty" or "All-powerful". In this understanding, Pantokrator is a compound word formed from the Greek words πᾶς, pas (GEN παντός pantos), i.e. "all" [4] and κράτος, kratos, i.e. "strength", "might", "power". [5]
Publication by C. F. Gauss in Intelligenzblatt der allgemeinen Literatur-Zeitung. As 17 is a Fermat prime, the regular heptadecagon is a constructible polygon (that is, one that can be constructed using a compass and unmarked straightedge): this was shown by Carl Friedrich Gauss in 1796 at the age of 19. [1]
Square and Compasses. The Square and Compasses (or, more correctly, a square and a set of compasses joined) is the single most identifiable symbol of Freemasonry. Both the square and compasses are architect 's tools and are used in Masonic ritual as emblems to teach symbolic lessons. Some Lodges and rituals explain these symbols as lessons in ...
Cleopatra VII Thea Philopator (Koinē Greek: Κλεοπάτρα Θεά Φιλοπάτωρlit.'Cleopatra father-loving goddess'; [ note 5 ] 70/69 BC – 10 August 30 BC) was Queen of the Ptolemaic Kingdom of Egypt from 51 to 30 BC, and its last active ruler. [ note 6 ] A member of the Ptolemaic dynasty, she was a descendant of its founder ...