There is no myth. Let's talk about decimal's "blind eye" and decimal's blind eye.0x00 Preface
In the last article "compromise and trade-offs, deconstruct decimal operations in C #", many of my friends talked about the decimal type in C. In fact, the
It's been weird. Why is a decimal added to the predefined data types of C #, and is it enough to have float and double? Come and dig a hole today.
Floating-point type
Name
CTS Type
De script ion
Significant figures
Range
How to make float keep two decimal places or decimal placeshttp://meryvn.blog.163.com/blog/static/36962664201173010402629/Two methods:Import java.math.*;......Method 1:float F = 34.232323;BigDecimal B = new BigDecimal (f);Float F1 = B.setscale (2,
Decimal (numeric) synonymous for precise storage of numeric valuesfloat and real cannot store values accuratelyThe decimal data type can store up to 38 digits, and all numbers can be placed to the right of the decimal point. The decimal data type
Transferred from: http://www.cnblogs.com/lovewife/articles/2466543.htmlSingle precision refers to a 4-byte floating-point number, which is the floatA double is a 8-byte floating-point number, which is doubleDecimal is a high precisionFloating point
A decimal data type can store up to 38 numbers. All numbers can be placed on the right of the decimal point. The decimal data type stores an accurate (accurate) numeric expression, and does not store approximate values. Two features of defining
Topic.csdn.netu2009032618c96364bc-38cc-42d2-962e-420600625720.html? Seed2132653946r79968420 # r_79968420 in terms of storage structure and algorithm, double and float are the same. The difference is that float is 32-bit, and double is 64-bit, so
Convert js numbers to float and take N decimal places:
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All variables in javascript are weak types, and all variables are declared as var, which is not as convenient as java during the
Decimal () indicates that the decimal point is 14, and the decimal point is 4. the decimal point includes all valid digits, including the decimal point, the number before the decimal point, and the number after the decimal point.
Decimal (numeric)
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