using Java to realize the reciprocal mechanism between decimal and binary decimal
This blog mainly describes the use of Java to achieve decimal and binary decimal number of the mutual transfer (do not invoke Java-brought functions). Later may use
The conversion between decimal and binary
(1) Decimal conversion to binary, divided into integers and decimal parts
① integral number of parts
Method: In addition to 2, in reverse order, that is, each part of the integer divided by 2, the
One, the conversion between decimal and binary (1) Decimal conversion to binary, divided into integers and fractional parts ① whole number of parts Methods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder
One, the conversion between decimal and binary(1) Decimal conversion to binary, divided into integers and fractional parts① whole number of partsMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is
1.1.1 The definition of the decimal point for the item unit
As shown in the following illustration, the transaction code cuni the unit and the decimal point of the item, and the decimal point can be set at icon 1, Icon 2.
Icon 1: Represents the
one or 10 conversion between binary and binary(1) Decimal conversion to binary, divided into integers and fractional parts① Integer PartMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is the
php to take the integer function commonly used in four ways:
1. Direct rounding, discard decimals, keep integers: intval ();2. Rounded rounding: round ();3. Take the whole up, there are decimals plus 1:ceil ();4. Take the whole down: floor ().
One,
This article mainly introduces the implementation of the Python decimal decimal and binary fractional conversion function, combined with specific examples of the binary and decimal conversion of the principle and Python related implementation skills,
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
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.