# 9-j symbol

In physics, Wigner's 9-j symbols were introduced by Eugene Paul Wigner in 1937. They are related to recoupling coefficients in quantum mechanics involving four angular momenta (Wikipedia).

Imaginary Number - Sixty Symbols

Whether you call it "i" or "j", this is one symbol which is hard to fathom. More at http://www.sixtysymbols.com/

From playlist From Sixty Symbols

Finding product of two numbers when they are in scientific notation

๐ Learn how to multiply numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is

From playlist Scientific Notation

9mat Co-ordinates

getting started

From playlist 2014 9mat

How to Show a Number is a Rational Number

How to Show a Number is a Rational Number

From playlist Intermediate Algebra

Multiplying numbers in scientific notation

๐ Learn how to multiply numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is

From playlist Scientific Notation

Multiplying in scientific notation with negative exponents

๐ Learn how to multiply numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is

From playlist Scientific Notation

Multiplying two-digit numbers with the same ones digit and tens digits that add up to 10 #mtydkyn

Haven't done a #MathTrickYouDidn'tKnowYouNeeded in a while, but I think I picked a good one to return with. Today, we're multiplying two two-digit numbers that share the same ones digits, and which have tens digits that add up to 10. Subscribe: https://bit.ly/polymathematic | Enable ALL p

From playlist polymathematic #shorts

Determine the product of two very large numbers by converting to scientific notation

๐ Learn how to multiply numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is

From playlist Scientific Notation

Learn how to determine the product of scientific notation

๐ Learn how to multiply numbers written in scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is

From playlist Scientific Notation

We prove the quadratic reciprocity theorem. http://www.michael-penn.net http://www.randolphcollege.edu/mathematics/

From playlist Number Theory

Tensor Calculus 6b: The Covariant Derivative

This course will eventually continue on Patreon at http://bit.ly/PavelPatreon Textbook: http://bit.ly/ITCYTNew Errata: http://bit.ly/ITAErrata McConnell's classic: http://bit.ly/MCTensors Table of Contents of http://bit.ly/ITCYTNew Rules of the Game Coordinate Systems and the Role of Te

From playlist Introduction to Tensor Calculus

Mathematica Tutorial 2 - Taking sums

Mathematica Tutorial 2. In this Mathematica tutorial you will learn about taking sums and various other elementary concepts in Mathematics and Mathematica.

From playlist Mathematica Tutorials

Tensor Calculus 4c: A Few Tensor Notation Exercises

This course will eventually continue on Patreon at http://bit.ly/PavelPatreon Textbook: http://bit.ly/ITCYTNew Errata: http://bit.ly/ITAErrata McConnell's classic: http://bit.ly/MCTensors Table of Contents of http://bit.ly/ITCYTNew Rules of the Game Coordinate Systems and the Role of Te

From playlist Introduction to Tensor Calculus

Adventures in Automata with a Theorem-Prover

Public Lecture by Jeffrey Shallit (University of Waterloo) Here is the weblink for the publicly-available prover https://cs.uwaterloo.ca/~shallit/walnut.html

From playlist Public Lectures

Levi-Civita and Kronecker: A Remarkable Relationship | Deep Dive Maths

There is a remarkable relationship between the product of two Levi-Civita symbols and the determinant of a matrix with the Kronecker delta as elements. After defining the Levi-Civita symbol and the Kronecker delta, I show how to derive this relationship using permutation matrices and the

From playlist Deep Dive Maths

C Programming Tutorial - 39: Nested Loops

In this tutorial we'll learn to use nested loops. Nested loops are loops within loops. We'll learn to use to loops to print the following pattern-: * ** *** **** ***** Thanks for watching!

From playlist The Bad Tutorials: C Programming

Program Recent developments around p-adic modular forms (ONLINE) ORGANIZERS: Debargha Banerjee (IISER Pune, India) and Denis Benois (University of Bordeaux, France) DATE: 30 November 2020 to 04 December 2020 VENUE: Online This is a follow up of the conference organized last year arou

Number theory Full Course [A to Z]

Number theory (or arithmetic or higher arithmetic in older usage) is a branch of pure #mathematics devoted primarily to the study of the integers and integer-valued functions. Number theorists study prime numbers as well as the properties of objects made out of integers (for example, ratio

From playlist Number Theory

Rewriting a number into scientific notation with a positive power

๐ Learn how to convert numbers to scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is the numb

From playlist Scientific Notation