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Published in:
1982 | OriginalPaper | Chapter
Roots, Indices, Four-Figure Tables, Calculators
Authors : O. Perry, J. Perry
Published in: Mastering Mathematics
Publisher: Macmillan Education UK
Included in: Professional Book Archive
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In Chapter 3 we discussed exact and recurring decimal fractions but there are some decimal numbers that never end or repeat however many decimal places are calculated. These are called irrational numbers because they cannot be written as common fractions and they are corrected to a specified number of decimal places. An irrational number is a real number and on the number line it has a position between two rational numbers, although we cannot locate the position exactly.