[Revealed by a former JVM developer] The real reason why children who are good at 'Crane and Turtle problems/special arithmetic' in junior high school entrance exams …

"My child's math deviation score was over 65 on SAPIX and Nichinoken mock exams.""They could effortlessly solve difficult ...

Newly discovered 3D 'chair' shape can fill all space without repeating patterns

Software developer Ioannis Tsiokos has reported the discovery of a three-dimensional shape, which roughly resembles a chair, ...