Computer software design; Computer software design and updating; Computer software design for others; Computer software design, computer programming, and maintenance of computer software; Computer hardware and software design; Computer programming and software design; Design and development of computer software; Design and development of computer software for the improvements of purchasing functions of business; Design and development of computer software in the field of tablet applications; Design and development of computer game software; Design and development of computer game software and virtual reality software; Design and development of computer hardware and software; Design and development of on-line computer software systems; Design and writing of computer software; Design for others in the field of computer software; Design of computer hardware, integrated circuits, communications hardware and software and computer networks for others; Design of computer machine and computer software for commercial analysis and reporting; Design of computer programs and software relating to aircraft; Design of home pages, computer software and web sites; Design, development, installation and maintenance of computer software; Design, installation, updating and maintenance of computer software; Design, maintenance, development and updating of computer software; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Custom design of computer software; Research, development, design and upgrading of computer software; Updating and design of computer software