Computer services, namely, creating an on-line community for registered users to participate in discussions, get feedback from their peers, form virtual communities, and engage in social networking services in the field of mathematics.; Computer software development; Consultation services relating to computer software; Design and development of software in the field of mobile applications; Design of home pages, computer software and web sites; Design of online social networking software; Design, maintenance, development and updating of computer software; Providing temporary use of online non-downloadable computer chatbot software for simulating conversations; Rental of humanoid robots with artificial intelligence (AI); Technology consultation in the field of artificial intelligence