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For any pair of positive integers n and k, the number of k-tuples of positive integers whose sum is n is equal to the number of (k − 1)-element subsets of a set with n − 1 elements. For example, if n = 10 and k = 4, the theorem gives the number of solutions to x 1 + x 2 + x 3 + x 4 = 10 (with x 1, x 2, x 3, x 4 > 0) as the binomial coefficient
The FOIL method is a special case of a more general method for multiplying algebraic expressions using the distributive law. The word FOIL was originally intended solely as a mnemonic for high-school students learning algebra. The term appears in William Betz's 1929 text Algebra for Today, where he states: [2]
6-3-5 Brainwriting (or 635 Method, Method 635) is a group-structured brainstorming technique [1] aimed at aiding innovation processes by stimulating creativity developed by Bernd Rohrbach who originally published it in a German sales magazine, the Absatzwirtschaft, in 1968.
The major system (also called the phonetic number system, phonetic mnemonic system, or Hérigone's mnemonic system) is a mnemonic technique used to help in memorizing numbers. The system works by converting numbers into consonants , then into words by adding vowels .
Sample writing from The Palmer Method of Business Writing. The Palmer Method of penmanship instruction was developed and promoted by Austin Palmer in the late 19th and early 20th centuries. It was intended to simplify the earlier "Spencerian method", which had been the main handwriting learning method since the 1840s. [1] The Palmer Method soon ...
The term "FOIL rule" is rarely used, "FOIL method" is an order of magnitude more common. I suggest moving the article accordingly. -- Vaughan Pratt ( talk ) 19:04, 6 September 2009 (UTC) [ reply ]
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Detail from Zaner's 1896 article: The Line of Direction in Writing [3] A major factor contributing to the development of the Zaner-Bloser teaching script was Zaner's study of the body movements required to create the form of cursive letters when using the 'muscular arm method' of handwriting – such as the Palmer Method – which was prevalent in the United States from the late 19th century.