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common logarithm

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common logarithm

[¦käm·ən ′läg·ə‚rith·əm]
(mathematics)
The exponent in the representation of a number as a power of 10. Also known as Briggsian logarithm; Briggs' logarithm.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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If the horizontal axis in the plot is the common logarithm of time, then
For the years 1987 to 1999 the highest predictability ranking issued was 1,580, but due to the elimination of extreme forecast error and earnings values our sample maximum is less; EARNINGS = annual earnings scaled by market value of common equity at the first fiscal quarter's forecast date; SIZE = common logarithm of the market value of equity, market value of equity = beginning of the year outstanding shares x Value Line reported price per share on the first fiscal quarter's forecast date; and TIMELY = Value Line timeliness ranking at the forecast date.
Explorations of this kind also provide a way for students to experience and appreciate the relationships between common logarithms and powers of ten, fundamental to understanding the concept of logarithms.
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