Wolfram Research
Wolfram Math World: Applied Mathematics Topics
Over a dozen topics in the field of Applied Mathematics are explored here. Each link contained detailed explanations of the area in question, along with examples and sketches that both teachers and students will find helpful.
Math Open Reference
Math Open Reference: Euler's Method
A complete reference guide to Euler's Method. It provides definitions, examples. and an interactive activity that enhances further explanation. Includes links to related topics.