In contrast, cardinal numbers represent size or quantity: 1,2,3.
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Ordinal numbers represent position – for example 1 st,2 nd, 3 rd. The apothem is the line segment which goes from the centre of a regular polygon to the midpoint of one of its sides. Kasner went on to use the term Googol in his book Mathematics and the Imagination which was published in 1940. The term Googol was however first invented in 1920 by a 9 year old boy called Milton Sirotta who was the nephew of mathematician Edward Kasner. The Googol has been made especially famous by the choice of name for the search engine Google. Not many people know that the technical name for each of the two same-length sides of an isosceles triangle is a ‘leg’.Ī Googol is the number, and a Googolplex is the number They are not usually deemed to be important in their own right, they are smaller results which enable the proof of bigger results. In mathematics you get theorems (such as Pythagoras’ Theorem) but you also get Lemmas, which are often called ‘helping theorems’. For example,, or are monomials.Ī polynomial has many terms (two or more). Mathematically you can generate an Oblate Spheroid by rotating an ellipse around its minor (smallest) axis, making what is called a surface of revolution.Ī monomial is an algebraic expression which only has one term.
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A vinculum is a line between the numerator and denominator in a fraction:.It could be used in the following example situations: A vinculum is a line which is used in mathematics above a group of numbers or symbols to show that they should be grouped together.
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Vinculum comes from Latin meaning to “bond or link”. How many of the following unusual maths words have you heard of before? 1. Mathematicians love to give everything a name.