Providing temporary use of non-downloadable computer e-commerce software for searching, selecting, viewing, editing, saving, and ordering large material lists through an easy to use user interface; providing temporary use of non-downloadable computer e-commerce software to enable users to perform enhanced business-to-business electronic business transactions via a global computer network; providing temporary use of non-downloadable computer software that enables customers to search and pull up SKU data arranged in a table displays that facilitate mass ordering of unique materials, to automatically create a sub-order on the same search screen, to review and edit the sub-order for quantity or SKU within the selection process and before submitting to the cart, to save specific items to favorite saved cart, to save the complete sub-order in uniquely identified and labeled project carts for future use, and to submit for purchasing the complete sub-order to the cart with a single click.