Popular recipes tagged "decimal" but not "binary"

Continued fractions (Python)

2013-08-22T07:15:47-07:00

Python recipe 578647 by Glenn Hutchings (decimal, fractions). Revision 2.

A class representing a continued fraction.

Complex Methods to Compute Pi in Python (Python)

2013-06-03T18:08:19-07:00

Python recipe 578548 by Captain DeadBones (decimal, pi, python).

This script was written for an article I wrote about computing Pi with Python. This module uses the Decimal library. For more information How to Compute Pi in Python

Archimedes Method for PI (arbitrary precision) (Python)

2013-03-02T21:56:42-08:00

Python recipe 578478 by Bjorn Madsen (decimal, math, pi, precision, python3).

The code below incorporates the newly revised python 3.3.0 decimal module to permit arbitrary precision (http://docs.python.org/3/library/decimal.html)

The recipe was originally by FB35 from http://code.activestate.com/recipes/576981-archimedes-method-for-calculating-pi/

Decimal Number To Byte(s) And String To Byte(s) Converter. (Python)

2012-01-24T21:11:47-08:00

Python recipe 578025 by Barry Walker (bytes, converter, decimal, linux, string, windows).

A function to convert decimal integer numbers, (from 0 to 255), into byte(s) format. Another function calling the above function to convert ASCII strings into byte(s) format.

Python 3.1.3 (r313:86834, Nov 28 2010, 10:01:07) [GCC 4.4.5] on linux2 Type "help", "copyright", "credits" or "license" for more information.

>>> exec(open('/home/G0LCU/Desktop/Code/d2b.py').read())
>>> a=78
>>> type(a)
<class 'int'>
>>> b=d2b(a)
>>> print(b)
b'N'
>>> type(b)
<class 'bytes'>
>>> text="\x00(C)2012, B.Walker, G0LCU.\xFF"
>>> len(text)
27
>>> type(text)
<class 'str'>
>>> newtext=t2b(text)
>>> len(newtext)
27
>>> print(newtext)
b'\x00(C)2012, B.Walker, G0LCU.\xff'
>>> type(newtext)
<class 'bytes'>

It requires NOTHING special at all to work and can be run like above or imported from the correct "Lib" drawer/folder/directorfy as:-

>>> import d2b

And when imported called as:-

>>> d2b.d2b(some_number, optional_some_other_mumber)<RETURN/ENTER>

>>> d2b.t2b(some_ASCII_string)<RETURN/ENTER>

Read the code for much more information...

Issued under the GPL2 licence.

Enjoy finding simple solutions to often very difficult problems.

Bazza, G0LCU.

Unit Conversions Using Decimal (Python)

2011-04-13T06:55:05-07:00

Python recipe 577652 by Dave Bailey (conversions, decimal, units).

A table driven routine generates a unit conversion module and a doctest file. The generated module uses the Decimal class to create unit conversion classes which uses class properties to perform the conversion. conversion.py supplies the following classes: Distance Area Volumn Time Velocity Acceleration Mass Force Weight Pressure Frequency Power Temperature

New classes and additional units can easily be created by adding to the table.

Metric Prefix Symbol and Decimal Quiz (Python)

2009-10-11T18:39:58-07:00

Python recipe 576928 by Daniel Saha (base, decimal, metric, prefix, symbol, units). Revision 3.

Quiz on the metric prefixs, symbols, and decimals associated with each other.

Base Conversion decimal to base = len(map) (Python)

2008-08-20T05:01:39-07:00

Python recipe 576435 by Mark Zitnik (base, conversion, decimal, sequence, web_site). Revision 7.

This code enable decimal base conversion according map length and a different char set.

Example:

map = ['0','1'] base 2 10 -> 1010
map = ['a','b'] base 2 10 -> baba
map = ['a','b','c','d','e','f','g','h','i','j','k','l'] base 12 10 -> k
map = ['a','b','c','d','e','f','g','h','i','j','k','l'] base 12 100 -> ie

this simple method can be used in web sites to hide a well known decimal sequence like user ids.