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Title: Exploring the Python math Module (Overview) (Video) – Real Python

Open Graph Title: Exploring the Python math Module (Overview) – Real Python

Description: Hi, I’m Cesar. Welcome to this Real Python video course on the math module. What is the math module? The math module provides access to some of the mathematical functions defined by the C standard library, and much more. The module contains…

Open Graph Description: Hi, I’m Cesar. Welcome to this Real Python video course on the math module. What is the math module? The math module provides access to some of the mathematical functions defined by the C standard library, and much more. The module contains…

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Exploring the Python math Modulehttps://realpython.com/courses/exploring-python-math-module/
Cesar Aguilarhttps://realpython.com/courses/exploring-python-math-module/#team
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mathmodule.c.mlog | GitHubhttps://github.com/python/cpython/blob/main/Modules/mathmodule.c#L732
math — Mathematical functions | Python Docshttps://docs.python.org/3/library/math.html
Sample Code (.zip)https://realpython.com/courses/exploring-python-math-module/downloads/math-module-course-code/
Course Slides (.pdf)https://realpython.com/courses/exploring-python-math-module/downloads/math-module-course-slides/
00:00https://realpython.com/courses/exploring-python-math-module/continue/#t=0.51
Hi, I’m Cesar. Welcome to this Real Python video course on the math module.https://realpython.com/courses/exploring-python-math-module/continue/#t=0.51
00:06https://realpython.com/courses/exploring-python-math-module/continue/#t=6.46
What is the math module?https://realpython.com/courses/exploring-python-math-module/continue/#t=6.46
The math module provides access to some of the mathematical functions defined byhttps://realpython.com/courses/exploring-python-math-module/continue/#t=8.74
the C standard library, and much more.https://realpython.com/courses/exploring-python-math-module/continue/#t=12.67
00:16https://realpython.com/courses/exploring-python-math-module/continue/#t=16.03
The module contains functions that perform computations from number theory,https://realpython.com/courses/exploring-python-math-module/continue/#t=16.03
combinatorics, trigonometry, geometry,https://realpython.com/courses/exploring-python-math-module/continue/#t=21.43
and classification.https://realpython.com/courses/exploring-python-math-module/continue/#t=26.11
Many math module functions are thin wrappers around C math library functions.https://realpython.com/courses/exploring-python-math-module/continue/#t=28.39
00:33https://realpython.com/courses/exploring-python-math-module/continue/#t=33.01
Let me show you one.https://realpython.com/courses/exploring-python-math-module/continue/#t=33.01
00:35https://realpython.com/courses/exploring-python-math-module/continue/#t=35.72
If you go to the GitHub repository for Python,https://realpython.com/courses/exploring-python-math-module/continue/#t=35.72
go over to the CPython directory,https://realpython.com/courses/exploring-python-math-module/continue/#t=38.42
you’ll find the mathmodule.c function. In that file,https://realpython.com/courses/exploring-python-math-module/continue/#t=40.94
you’ll see this definition for the m_log() function,https://realpython.com/courses/exploring-python-math-module/continue/#t=45.14
which implements the logarithm function that we’ll talk about in this course.https://realpython.com/courses/exploring-python-math-module/continue/#t=48.89
00:53https://realpython.com/courses/exploring-python-math-module/continue/#t=53.57
If you take a look at this code,https://realpython.com/courses/exploring-python-math-module/continue/#t=53.57
you see that this is a very thin wrapper around the logarithm function in the Chttps://realpython.com/courses/exploring-python-math-module/continue/#t=54.95
standard library.https://realpython.com/courses/exploring-python-math-module/continue/#t=59.75
01:02https://realpython.com/courses/exploring-python-math-module/continue/#t=62.45
But the math module functions do more than just this.https://realpython.com/courses/exploring-python-math-module/continue/#t=62.45
There are some nice functions that were added in Python 3.8, and we’ll discusshttps://realpython.com/courses/exploring-python-math-module/continue/#t=65.42
these. So, why use the math module? Well,https://realpython.com/courses/exploring-python-math-module/continue/#t=69.2
for one thing, it’s part of the standard library of Python,https://realpython.com/courses/exploring-python-math-module/continue/#t=73.95
so there’s no need for a separate installation.https://realpython.com/courses/exploring-python-math-module/continue/#t=76.95
01:19https://realpython.com/courses/exploring-python-math-module/continue/#t=79.41
All you do is import the module with import math.https://realpython.com/courses/exploring-python-math-module/continue/#t=79.41
The math module functions have been tested and optimized to give accuratehttps://realpython.com/courses/exploring-python-math-module/continue/#t=83.61
results, so there’s no need to reinvent the wheel to perform basic math.https://realpython.com/courses/exploring-python-math-module/continue/#t=87.15
01:31https://realpython.com/courses/exploring-python-math-module/continue/#t=91.98
Just load the module and get going.https://realpython.com/courses/exploring-python-math-module/continue/#t=91.98
01:35https://realpython.com/courses/exploring-python-math-module/continue/#t=95.86
Here are the topics that we’ll discuss in the course.https://realpython.com/courses/exploring-python-math-module/continue/#t=95.86
We’ll go over some of the constants in the math module.https://realpython.com/courses/exploring-python-math-module/continue/#t=98.35
Then we’ll talk about arithmetic functions, and then power functions,https://realpython.com/courses/exploring-python-math-module/continue/#t=101.5
the exponential functions, logarithmic functions,https://realpython.com/courses/exploring-python-math-module/continue/#t=104.89
and other functions in the math module,https://realpython.com/courses/exploring-python-math-module/continue/#t=107.89
and then we’ll take a look at some of the new additions in Python 3.8.https://realpython.com/courses/exploring-python-math-module/continue/#t=110.14
01:54https://realpython.com/courses/exploring-python-math-module/continue/#t=114.55
Then we’ll discuss the differences between the cmath module—https://realpython.com/courses/exploring-python-math-module/continue/#t=114.55
which deals with complex numbers—and the math module, and NumPy and the mathhttps://realpython.com/courses/exploring-python-math-module/continue/#t=118.3
module. We’ll wrap things up with the summary.https://realpython.com/courses/exploring-python-math-module/continue/#t=122.95
02:07https://realpython.com/courses/exploring-python-math-module/continue/#t=127.78
Now, I’m eager to get going and I bet you are too,https://realpython.com/courses/exploring-python-math-module/continue/#t=127.78
but one last important thing before we do: All of the code in this course washttps://realpython.com/courses/exploring-python-math-module/continue/#t=130.12
tested in Python 3.9.https://realpython.com/courses/exploring-python-math-module/continue/#t=134.23
You should be fine with Python 3.8, and probably even as low as 3.5,https://realpython.com/courses/exploring-python-math-module/continue/#t=136.81
but if you do want to test the new functions that were added in Python 3.8,https://realpython.com/courses/exploring-python-math-module/continue/#t=142.06
you may want to have at least that version of Python installed.https://realpython.com/courses/exploring-python-math-module/continue/#t=146.44
02:30https://realpython.com/courses/exploring-python-math-module/continue/#t=150.64
All right, enough with the particulars. Let’s get going with this course.https://realpython.com/courses/exploring-python-math-module/continue/#t=150.64
Become a Memberhttps://realpython.com/account/join/
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https://realpython.com/videos/constants-math-module/
Exploring the Python math Module (Overview) 02:35 https://realpython.com/videos/python-math-module-overview/
Constants of the math Module 07:02 https://realpython.com/videos/constants-math-module/
Arithmetic Functions: Factorials 07:22 https://realpython.com/videos/arithmetic-functions-factorials/
Arithmetic Functions: Rounding 04:06 https://realpython.com/videos/arithmetic-functions-rounding/
Arithmetic Functions: Checking For Closeness 06:36 https://realpython.com/lessons/arithmetic-functions-closeness/
Power Functions 06:26 https://realpython.com/lessons/power-functions/
Exponential Functions: math.exp() 04:43 https://realpython.com/lessons/exponential-functions-math-exp/
Exponential Functions: Radioactive Decay 04:26 https://realpython.com/lessons/exponential-functions-radioactive-decay/
Logarithmic Functions: math.log() 05:52 https://realpython.com/lessons/logarithmic-functions-math-log/
Logarithmic Functions: Half-Lives 07:03 https://realpython.com/lessons/logarithmic-functions-half-lives/
Other Important math Functions: gcd() 04:59 https://realpython.com/lessons/other-math-functions-introduced/
Other Important math Functions: fsum(), sqrt(), and More 04:12 https://realpython.com/lessons/other-math-functions-continued/
New math Functions in Python 3.8 07:00 https://realpython.com/lessons/new-math-functions-python-38/
The cmath Module vs the math Module 05:19 https://realpython.com/lessons/cmath-vs-math/
The NumPy Module vs the math Module 02:13 https://realpython.com/lessons/numpy-vs-math/
Exploring the Python math Module (Summary) 00:56 https://realpython.com/lessons/python-math-module-summary/
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