Educational software for elementary, secondary, and post-secondary students in Science, Technology, Engineering and Mathematics (STEM) subject areas; Electronic game programs; Computer application software for smart phones and tablet computers for education, assessment, and blended learning in Science, Technology, Engineering and Mathematics (STEM) subject areas; Downloadable electronic publications, namely, electronic and digital booklets, brochures, and books featuring Teacher and Principal Implementation Guides, Quick Start Guides, Software Instruction brochures, Training Manuals, and Parent Homework Guidelines in the fields of education, professional development of STEM teachers, and educational software; Downloadable electronic publications, namely, software operating manuals, textbooks, and magazines featuring Science, Technology, Engineering and Mathematics (STEM) and educational technology recorded on computer media; Calculators; Pre-recorded CD-ROMS and DVDs featuring educational software featuring software operating manuals, textbooks, and magazines in the fields of Science, Technology, Engineering and Mathematics (STEM) educational technology; Electronic game programs; audiovisual recordings featuring software operating manuals, textbooks, and magazines in the fields of Science, Technology, Engineering and Mathematics (STEM) and educational technology