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Baris dance (Balinese: ᬩᬭᬶᬲ᭄, igélan baris) is a family of traditional war dances in Bali, Indonesia, accompanied by gamelan, in which dancers depict the feelings of a young warrior prior to battle, glorify the manhood of the triumphant Balinese warrior, and display the sublimity of his commanding presence.
The first six triangular numbers (not starting with T 0, but rather, T 1) Triangular Numbers Plot. A triangular number or triangle number counts objects arranged in an equilateral triangle.
The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base.In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.
Number theory is a branch of pure mathematics devoted primarily to the study of the integers and arithmetic functions.German mathematician Carl Friedrich Gauss (1777–1855) said, "Mathematics is the queen of the sciences—and number theory is the queen of mathematics."
The number 18 is a harshad number in base 10, because the sum of the digits 1 and 8 is 9, and 18 is divisible by 9.; The Hardy–Ramanujan number (1729) is a harshad number in base 10, since it is divisible by 19, the sum of its digits (1729 = 19 × 91).
The trapezoidal rule is one of a family of formulas for numerical integration called Newton–Cotes formulas, of which the midpoint rule is similar to the trapezoid rule. ...
Positional notation, also known as place-value notation, positional numeral system, or simply place value, usually denotes the extension to any base of the Hindu–Arabic numeral system (or decimal system).
An alternative expression for C n is = (+) for , which is equivalent to the expression given above because (+) = + ().This expression shows that C n is an integer, which is not immediately obvious from the first formula given.