Clean up windows, browser, and application junk files and invalid Registry entries. Lesson 7: Markup and Markdown Problems Student Outcomes Students understand the terms original price, selling price, markup, markdown, markup rate, and markdown rate. Students identify the original price as the whole and use their knowledge of percent and proportional relationships to solve multi-step markup and markdown problems.
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R version 4.0.0 (Arbor Day) prerelease versions will appear starting Tuesday 2020-03-24. Final release is scheduled for Friday 2020-04-24.
R version 3.6.3 (Holding the Windsock) has been released on 2020-02-29.
useR! 2020 will take place in St. Louis, Missouri, USA.
R version 3.5.3 (Great Truth) has been released on 2019-03-11.
The R Foundation Conference Committee has released a call for proposals to host useR! 2020 in North America.
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The R Foundation has been awarded the Personality/Organization of the year 2018 award by the professional association of German market and social researchers.
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News from the R FoundationRelease Date: March 9, 2014
Python 3.3.5 includes fixes for these important issues:
- a 3.3.4 regression in zipimport (see http://bugs.python.org/issue20621)
- a 3.3.4 regression executing scripts with a coding declared and Windowsnewlines (see http://bugs.python.org/issue20731)
- potential DOS using compression codecs in bytes.decode() (seehttp://bugs.python.org/issue19619 and http://bugs.python.org/issue20404)
and also fixes quite a few other bugs.
This release fully supports OS X 10.9 Mavericks. In particular, this releasefixes an issue that could cause previous versions of Python to crash when typingin interactive mode on OS X 10.9.
Python 3.3 includes a range of improvements of the 3.x series, as well as easierporting between 2.x and 3.x.
- PEP 380, syntax for delegating to a subgenerator (yield from)
- PEP 393, flexible string representation (doing away with the distinctionbetween 'wide' and 'narrow' Unicode builds)
- A C implementation of the 'decimal' module, with up to 120x speedupfor decimal-heavy applications
- The import system (__import__) is based on importlib by default
- The new 'lzma' module with LZMA/XZ support
- PEP 397, a Python launcher for Windows
- PEP 405, virtual environment support in core
- PEP 420, namespace package support
- PEP 3151, reworking the OS and IO exception hierarchy
- PEP 3155, qualified name for classes and functions
- PEP 409, suppressing exception context
- PEP 414, explicit Unicode literals to help with porting
- PEP 418, extended platform-independent clocks in the 'time' module
- PEP 412, a new key-sharing dictionary implementation that significantlysaves memory for object-oriented code
- PEP 362, the function-signature object
- The new 'faulthandler' module that helps diagnosing crashes
- The new 'unittest.mock' module
- The new 'ipaddress' module
- The 'sys.implementation' attribute
- A policy framework for the email package, with a provisional (seePEP 411) policy that adds much improved unicode support for emailheader parsing
- A 'collections.ChainMap' class for linking mappings to a single unit
- Wrappers for many more POSIX functions in the 'os' and 'signal' modules, aswell as other useful functions such as 'sendfile()'
- Hash randomization, introduced in earlier bugfix releases, is nowswitched on by default
- Change log for this release.
- Report bugs at http://bugs.python.org.
- Help fund Python and its community.
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This is a production release. Please report any bugs you encounter.
Please proceed to the download page for the download.
| Version | Operating System | Description | MD5 Sum | File Size | GPG |
|---|---|---|---|---|---|
| Gzipped source tarball | Source release | 803a75927f8f241ca78633890c798021 | 16881688 | SIG | |
| XZ compressed source tarball | Source release | b2a4df195d934e5b229e8328ca864960 | 12116308 | SIG | |
| Mac OS X 32-bit i386/PPC installer | Mac OS X | for Mac OS X 10.5 and later | d0c01c7c901ed63d14c059f15dbc0d92 | 19963502 | SIG |
| Mac OS X 64-bit/32-bit installer | Mac OS X | for Mac OS X 10.6 and later | bb57aab02f13706aa4e24ea736e3fdeb | 20019828 | SIG |
| Windows debug information files | Windows | b6ba73e8f2ae303ef7d3d85751d63ed8 | 26935848 | SIG | |
| Windows debug information files for 64-bit binaries | Windows | 847a2f894aa66319197e0a946e49d181 | 22161782 | SIG | |
| Windows help file | Windows | 9f527d47eefbb04c5c90448ad8447c46 | 6708586 | SIG | |
| Windows x86-64 MSI installer | Windows | for AMD64/EM64T/x64 | ebb3ab0df91389a6dd45317d6f4ac838 | 21221376 | SIG |
| Windows x86 MSI installer | Windows | ee4de0c34fd8c575db8a7805e2b9584a | 20676608 | SIG |