Python Tutorial for Beginners 3 – Basic Math, Mathematical Operators and Python Expressions

///Python Tutorial for Beginners 3 – Basic Math, Mathematical Operators and Python Expressions

Python Tutorial for Beginners 3 – Basic Math, Mathematical Operators and Python Expressions

In this Video I am going to show How to Use Basic Math, Mathematical Operators and Python Expressions In python.
So what is an expression ? An expression is A data value or set of operations to compute a value.
Arithmetic operators we will use:
+ – * / addition, subtraction/negation, multiplication, division
% modulus, a.k.a. remainder
** exponentiation
precedence: Order in which operations are computed.

Mathematical Operators
Here are some commonly used mathematical operators

Syntax Math Operation Name
a-b {displaystyle a-b,} a-b, subtraction
a*b {displaystyle atimes b,} atimes b, multiplication
a//b {displaystyle lfloor adiv b,rfloor } lfloor adiv b,rfloor floor division (e.g. 5//2=2) – Available in Python 2.2 and later
a%b {displaystyle a~{bmod {~}}b,} a~{bmod ~}b, modulo
-a {displaystyle -a,} -a, negation
abs(a) {displaystyle |a|,} |a|, absolute value
a**b {displaystyle a^{b},} a^{b}, exponent

Order of Operations (Python Operator Precedence)
Highest precedence at top, lowest at bottom.Operators in the same box evaluate left to right..

Name Syntax PEMDAS Mnemonic
Exponents ** Excuse
Multiplication
and Division * , / , // , % My Dear
and Subtraction + , – Aunt Sally

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By |2020-01-12T01:10:41+00:00January 12th, 2020|Python Video Tutorials|12 Comments

1. Theodore Choi January 12, 2020 at 1:10 am - Reply

😊😊😊

2. TechDiffuse January 12, 2020 at 1:10 am - Reply

3. saatwiik srivastava January 12, 2020 at 1:10 am - Reply

Is PEMDAS the same thing as BODMAS ?

4. Nikita Mathur January 12, 2020 at 1:10 am - Reply

Hi,
You explained that if we don't want decimal value, we can do 50 // 3. But how to do that in an expression of multiple operands. For example: 5 + 9 – 6 * 10 / 20 was giving the result as 11.0
How to get this expression result in just 11 (not 11.0)?

5. Random Things January 12, 2020 at 1:10 am - Reply

What of doing factorial?

6. Hassan Braim January 12, 2020 at 1:10 am - Reply

Hello dear,
so, i like your tuto very much, it's really useful for beginner ,
but i don't understand why the videos are in reverse way, so it can't be read automatically,
i have to search the next tuto and cilck on it. this is not useful
please, if you can fix it , do it.
thanks

7. Rameez Ahmed January 12, 2020 at 1:10 am - Reply

Dear Sir, your tutorial extremely help me in my assignments and projects

8. salman kevin January 12, 2020 at 1:10 am - Reply

Sir give more details in tue video and example programs and assignments

9. Hridoy Ahmed January 12, 2020 at 1:10 am - Reply

Wow..Thanks for redoing this series..New thing is coming soon

10. Web Hunter January 12, 2020 at 1:10 am - Reply

Why u r redoing it? This series

11. Asbin Raii January 12, 2020 at 1:10 am - Reply

Nice
Sir this is python 3
OK
We want more python course

12. Rajneesh Kumar January 12, 2020 at 1:10 am - Reply

Sir C LANGUAGE ka video banaiye