 | William Moses Feldman - 1923 - 454 sider
...„ „ 3-1623 m „ „ „ „ „ b Hence the name " Logarithm." Characteristic and Mantissa. — The integral part of any logarithm is called the characteristic ; the decimal portion is called the mantissa. Thus, if logio 15'2 = 1-1818, then 1 is the characteristic and 0-1818... | |
 | American Society for the Extension of University Teaching - 1815 - 842 sider
...consists of an integer (which, however, may be zero) and a decimal fraction, the integral part of the logarithm is called the characteristic. The decimal part is called the mantissa. The tables give only the mantissa. The mantissa is always positive. To determine the characteristio... | |
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If, therefore, a number is an exact power of 10, its logarithm is a whole number. If a number is not an exact power of 10, its logarithm will not be a whole number, but will be made up of an entire part plus a fractional part, which is generally expressed... 
