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

Two announcements: AI for Math resources, and erdosproblems.com

This post contains two unrelated announcements. Firstly, I would like to promote a useful list of resources for AI in Mathematics, that was initiated...
The Puzzle of the Prankster Twins – Math with Bad Drawings

The Puzzle of the Prankster Twins – Math with Bad Drawings

logical riddles with no hockey knowledge required I hesitate to use phrases like “greatest duo in history,” but have you heard of the Sedin Twins?...
Conditions of Collinearity of Three Points | Definition

Conditions of Collinearity of Three Points | Definition

We will discuss here how to prove the conditions of collinearity of three points.Definition of Collinear Points:Three or more points in a plane are said...
Think about the current moment in time the most. – Worldviews limit perspective

Think about the current moment in time the most. – Worldviews limit perspective

Daily writing promptDo you spend more time thinking about the future or the past? Why? The question is asked, “Do you spend more time thinking...
AS LEVEL PURE MATHEMATICS 1 (PAPER 1)

AS LEVEL PURE MATHEMATICS 1 (PAPER 1)

PURE MATHEMATICS 1 (2002-2010) C1 Quadratics /C2 Functions /C3 Coordinate Geometry C4 Circular Measure C5 Trigonometry C6 Vectors C7 Series C8 Differentiation C9 Integration PURE MATHEMATICS 1 (2010-2013) C1 Quadratics C2 Functions C3 Coordinate Geometry C4...
Math in Construction IntoMath

Math Applications in Construction – IntoMath

Residential and commercial/industrial construction are huge sectors of economy in most countries, with many jobs and careers for skilled workforce. Most construction professionals and...