B Buffs

B Buffs

Native English Expressions | Ep.8

Do you feel lost when listening to native speakers? It’s likely because textbook English isn’t enough. Welcome to Native Expressions Ep.8. Real conversations are full of idioms, phrasal verbs, and cultural nuances. This series curates authentic expressions directly from podcasts and YouTube…

Native English Expressions | Ep.7

Do you feel lost when listening to native speakers? It’s likely because textbook English isn’t enough. Welcome to Native Expressions Ep.7. Real conversations are full of idioms, phrasal verbs, and cultural nuances. This series curates authentic expressions directly from podcasts and YouTube…

An Introduction to Sets in Mathematics

An Introduction to Sets in Mathematics

A set is where math begins. You’ll run into sets all the time when learning about functions, linear algebra, and plenty of other topics. A set is simply a collection of distinct objects. These objects, called elements, can be anything:…

Understanding Number Systems in Mathematics

Understanding Number Systems in Mathematics

When we study mathematics, we encounter various number systems. Instead of going into rigorous definitions, let’s just briefly explore them. Natural Numbers Natural numbers (\(\mathbb{N}\)) are the numbers we use for counting and ordering. They start from 1 and go…

Functions

Functions is about mapping

When Do We Use Functions? We use functions whenever one variable depends on another. For example, the cost per product (let’s call it \(y\)) usually varies depending on the quantity produced (denoted as \(x\)). In this scenario, we say that…

Linear Algebra: Introduction

linear algebra matrix

As a business professional, you rely on a wide range of mathematical tools, but none are arguably more frequently used than linear algebra and statistics. This is the first post in a series where we’ll explore how linear algebra provides…

Linear Algebra: Field

Linear Algebra: Field

When studying linear algebra, we are continuously faced with the word field. In most cases, we use the set of real numbers, which is an example of a field. But what is a field? A field is a set that…

Subspaces in Linear Algebra

Galaxy representing a subspace inside the universe of a vector space.

A subspace is a subset of a vector space that still behaves like a vector space under the same operations of addition and scalar multiplication (you can find the link to the Vector Space post at the bottom of this…