How to use this blog

The intention of this blog is to be more of a Wikipedia-type resource of mathematics for the not too expert practitioner and student. In the spirit of Wikipedia each entry has labels attached to it. Selecting one of these labels will sort the blog for that attribute. For example select "Books" and all blog entries pertaining to books will appear.

Tuesday, January 25, 2022

 Recent years have seen some meaningful contributions to the history of mathematics and in particular Isaac Newton's contributions.

Tuesday, March 12, 2019

Proofs

Mathematics is not complete without a proof! The "Proof Wiki" offers up tens of thousands of proofs for all levels of mathematical interest. Another one of those web sites of incredible usefulness and value.

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Wednesday, September 19, 2018

Mathematica U. and AP Calculus

The Wolfram Company which makes the premier mathematical computing software program "Mathematica" has branched out into all different directions, but one of their core areas of interest is teaching mathematics to all levels of students. They have apparently established a 'University' where online study can be found. Some of their latest work involves advanced placement Calculus.

And from their Facebook presentation we get:


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Saturday, August 18, 2018

Russian School Mathematics Results

The is an after school enrichment opportunity for grade school-aged students which will help develop mathematical interests (do not be thrown off by the "Russian" part of the name it's just a teaching technique first perfected in Russia). But there is nothing like success to speak well of this endeavor, so without further ado here is some of their recent triumphs:



They aren't everywhere, but if you are lucky enough to  live near a center I would urge you to look into it!

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Friday, August 17, 2018

Laugh of the Day, 20180817 xkcd

"All electromagnetic equations: The same as all fluid dynamics equations, but with the 8 and 23 replaced with the permittivity and permeability of free space, respectively."


A complete explanation of why this is funny and/or wrong, depending on your point of view can be found at: "explainxkcd.com"


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Saturday, August 4, 2018

AP High School Calculus? Ummm...I think not.

Simple enough...unless you are truly a gifted student and have already mastered one of those massive Pre-Calculus Algebra books you should forget about taking high school calculus. High school is the time to truly master algebra. After all, calculus is just the manipulation of algebraic concepts, not some new math that is so way beyond anybody that people taking it are called "Einsteins!" Not really, calculus is just more better algebra...at least for you beginning students. Later on, if you are a math major, it can become something new and exciting, but you'd better have the basics down pat! OK, don't believe me? Well how about Harvard?

You've been so advised, now do it!!!
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Thursday, March 22, 2018

Proofs from the Book

Paul Erdos used to remark that a particularly elegant of beautiful proof of a mathematical theorem was one for the "Book." This reference is to a hypothetical book Erdos figured God was keeping with only the very best proofs. Oh, if one could only be so lucky as to read this book! As things worked out two mathematicians took his book concept to heart and, after careful consultation with Erdos, decided to give it their best shot. The following link interviews the two authors and gives an interesting background to their book, "Proofs from the Book", 5th edition. As mentioned at the end off the interview there may be a sixth edition available at some point.


Proofs from the Book, authors interview.

[20180322]

More to the point:

A conjecture both deep and profound
Is whether a circle is round.
In a paper of Erdős
Written in Kurdish
A counterexample is found.