Having trouble finding the right app? In this article, Kevin Larkin discusses the difficulties teachers encounter when searching the App Store for high quality, appropriate apps that support students' mathematical learning. Kevin provides a useful link to a collection of over 100 app reviews.

Describes 12 computer software programs available for elementary and secondary math and science classes. Programs are selected from an annual guide to the highest rated educational software available. The guide includes title, grade level, category, description, hardware requirements, manufacturer, price, and pros and cons. (SM)

Ray tracing is a method that allows the creation of photo-realistic images on a computer. This article describes a shareware ray tracing program called PovRay and includes some ideas on how PovRay can be used in teaching and in 3-D geometry, physics, and other high school and university subjects. (Author/AIM)