41 educational services, namely, developing curriculum for others in the field of math education for pre-kindergarten through grade twelve; educational services, namely, research in the field of math education for pre-kindergarten through grade twelve, curriculum development for educators for pre-kindergarten through grade twelve; providing online educational publications in the nature of curriculum, books, manuals, newsletters, informational cards, and brochures in the field of math for pre-kindergarten through grade twelve; on-line electronic newsletters delivered by e-mail in the field of math for pre-kindergarten through grade twelve; professional development, namely, training in the field of math and training for pre-kindergarten through grade twelve teachers in the field of math