Computer services, namely, providing on-line customized calendar and scheduling systems integrating class, school, extracurricular, social and business activities through a global computer information network; electronic enrollment, course and extracurricular activity registration; On-line retail store services in the field of clothing, shoes, uniforms, books, magazines, educational software, music, computer hardware and peripherals, business machines, sporting goods, toys, office supplies, furniture, school supplies, financial services and travel services, provided using a global computer information network; Communication services between buyers and sellers of goods and services over a global communications network; Providing information to buyers for ordering goods and services in a wide variety of fields by means of a global computer information network; and ordering services to buyers and sellers for ordering goods and services in a wide variety of fields by means of a global computer information network, including order transaction routing, multiple protocol support for exchanging content and transaction information, and converting an order into the supplier's preferred transaction protocol; and catalog maintenance services to sellers by means of a global computer information network; Consultation services in the use of computer software; Providing direct instructional and assessment services to learners and mentors via a global computer network; Consultation services in the use of enterprise resource planning hardware and software