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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | |
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First Edition Preface Second Edition Preface Acknowledgments
logarithm—The logarithm of any positive number n to the base b is the power l to which that base must be raised in order to satisfy the identity n = bl: l = logbn. Logarithms to the base 10 are called common logarithms and written log or log10. Logarithms to the base e = 2.7182818284 . . . are called natural (Napierian, hyperbolic) logarithms, and are often written loge or ln. The natural logarithms are the more convenient in any computations involving differentiation