Mathematics

Answers to 2026 top-tier US maths test popular among Singapore students leaked, sold online

The listing for the answers was priced at 100 yuan (S$18.80) on one e-commerce platform.

South Korean mathematician solves 60-year-old maths puzzle

Dr Baek Jin-eon compared the research process to repeatedly building and discarding ideas.

Number’s up: Calculators hold out against AI

This photo taken on Nov 18 shows calculators for sale in a market in Bangkok.

Acalculia: The overlooked struggle stroke survivors face with numbers

Acalculia, a neurological condition that impairs the ability to process and understand numbers, can have a devastating effect on a person’s life.

Dyscalculia: Could struggling with mathematics point to a learning difficulty?

Asian Chinese little girl writing on blackboard in the classroom.

The mathematics used in economics for decades may be the wrong kind

Containers are seen at the Port of Nanjing in eastern China's Jiangsu province. China's exports expanded 4.4 percent year-on-year in August, official data showed on September 8, as the world's second-largest economy navigated an uneasy trade war truce with the United States. (Photo by AFP) / China OUT

Newly discovered origami patterns put the bloom on the fold

An undated photo provided by Brigham Young University shows, from left, Larry Howell, a professor of mechanical engineering at Brigham Young University and Kelvin Wang, a sophomore there. Researchers have now found a new class of origami that they call bloom patterns, which are rotationally symmetric around the center. (Brigham Young University via The New York Times) — NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY SLUGGED ORIGAMI PATTERN BY KENNETH CHANG FOR AUG. 19, 2025. ALL OTHER USE PROHIBITED. —

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MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2026 SPH Media Limited. All rights reserved.