Basics

Goldman Sachs loses profit after hits from GreenSky, real estate

Second-quarter profit fell 58% to $1.22 billion, or $3.08 a share, due to steep declines in trading and investment banking and losses related to...
Basics

Goldman Sachs loses profit after hits from GreenSky, real estate

Second-quarter profit fell 58% to $1.22 billion, or $3.08 a share, due to steep declines in trading and investment banking and losses related to...
Multiplication principle and addition principle

Fundamental Counting Principle

We will introduce the fundamental counting principle with an example. This counting principle is all about choices we might make given many possibilities. Multiplication principle Suppose...
On product representations of squares

A generalized Cauchy-Schwarz inequality via the Gibbs variational formula

Let be a non-empty finite set. If is a random variable taking values in , the Shannon entropy of ...
The Battlestar Galactica Theory of Math Education – Math with Bad Drawings

The Battlestar Galactica Theory of Math Education – Math with Bad Drawings

Last month, as I read Christopher J. Phillips’ brief and engrossing The New Math: A Political History, I found myself reciting the ominous line...
On product representations of squares

Erratum for “An inverse theorem for the Gowers U^{s+1}[N]-norm”

The purpose of this post is to report an erratum to the 2012 paper “An inverse theorem for the Gowers -norm” of Ben...
What’s the opposite of mathematics? – Math with Bad Drawings

What’s the opposite of mathematics? – Math with Bad Drawings

A mathematician once sent me a draft of some writing he’d done for a general audience. I liked the ideas. I liked the storytelling....
Line-Segment, Ray and Line

Line-Segment, Ray and Line | Definition of in Line-segment

Definition of in Line-segment, ray and line geometry:Line Segment:A line segment is a fixed part of a line. It has two end points. It is...
Upon following the work of Stuart Bevins of Sheffield Hallam University, UK – Worldviews limit perspective

Upon following the work of Stuart Bevins of Sheffield Hallam University, UK – Worldviews limit perspective

‪Preface: We need more leaders with clarity of thought. The world needs to break free of limited worldviews and begin to adopt an integrated...
AS LEVEL STATISTICS 1 (PAPER 5)

AS LEVEL STATISTICS 1 (PAPER 5)

STATISTICS 1 (2002-2010) C1 Representation of Data C2 Permutations and Combinations C3 Probability C4 Discrete Random Variables C5 The Normal Distribution
jump discontinuity

How to Identify and Analyze Jump Discontinuity in Functions

Jump discontinuity, a term that might seem complex at first glance, holds significant importance in the realm of mathematics, particularly within the study of...