Check removed topics, updated syllabus, and deleted units to focus on key concepts for better preparation in the 2026 exams.

Fitbit's AI health coach is promising in concept, but repeatedly fails to perform the basic functions of a coach. It can't do math and keeps forgetting my goals.

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

The Notes app on iOS 26 gets an update that lets you create 3D graphs from functions you enter without needing another app or doing too much work.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Pete Rathburn is a copy editor and ...

Abstract: Designing algorithms to solve math word problems (MWPs) is an important research topic in natural language processing and smart education domains. The task of solving MWPs involves ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

A high school math team member lent his graphing calculator—a pricey TI-84 he relies on for contests and homework—to a teammate during practice. But when the teammate left with it, dodged messages, ...

Linear functions are used to model a broad range of real-world problems. The ability to solve linear equations and inequalities is an essential skill for analysing these models. This section covers ...