In mathematics, truncation is the term used for reducing the number of digits right of the decimal point, by discarding the least significant ones. Mathematics is often defined as the study of topics such as quantity, structure, space, and change. ... In mathematics and computer science, a numerical digit is a symbol, e. ... The decimal separator is used to mark the boundary between the integer and the fractional parts of a decimal numeral. ...
For example, consider the real numbers In mathematics, the real numbers are intuitively defined as numbers that are in one-to-one correspondence with the points on an infinite line—the number line. ...
5.6341432543653654
32.438191288
6.3444444444444
To truncate these numbers to 4 decimal digits, we only consider the 4 digits to the right of the decimal point.
The result would be:
5.6341
32.4381
6.3444
Note that in some cases, truncating would yield the same result as rounding, but truncation does not round up or round down the digits; it merely cuts off at the specified digit. The truncation error can be twice the maximum error in rounding. // Rounding Rounding means reducing the significant digits in a number while trying to keep its value similar. ... The word error has different meanings in different domains. ...
In mathematics, truncation is the term used for reducing the number of digits right of the decimal point, by discarding the least significant ones.
Note that in some cases, truncating would yield the same result as rounding, but truncation does not round up or round down the digits; it merely cuts off at the specified digit.
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