Introduce your language learners to Arabic. The most useful portion of this resource is the detailed information on the Arabic alphabet. Each letter is placed in a grid that shows the various ways to write it based on the situation...

Do you find the idea of having a science fair with all of your students intimidating? Use a guide that provides everything you need to know to make project-based learning manageable. The resource includes options for four...

Everything you wanted to know about calculus—and more! The resource is a complete Calculus textbook with explanations, examples, and practice problems. 

This textbook takes the learner from the basic definition of slope through derivatives, integrals, and vector multivariable calculus. Each section is composed primarily of examples, with theoretical introductions and explanations in...

Poetry is all about sound and rhythm. The sound of the words, the rhythm of the lines, and the emotional atmosphere created by these elements and the literary devices poets use, compress whole stories into a few stanzas. The specialized...

This page explains the beginning letter of each sentence is always capitalized, even in direct quotes in the middle of sentences. Examples are provided.

Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.