Flexi is an AI tutoring tool launched by CK-12 for students. Existing materials position it as a "free AI math and science tutor." Its entry point is the student page https://www.ck12.org/student/。
Regarding its purpose, the materials only indicate that it is related to math and science learning, and do not specify the specific subject coverage, knowledge points, or grade levels. Details such as its main capabilities, interaction methods, whether it supports question-and-answer assistance, and whether it provides solution steps are not provided in the materials.
Regarding how to use it, the materials provide a link to the CK-12 student page, but do not explain the specific operating process, whether an account registration is required, or whether it supports mobile or browser access.
Regarding applicable scenarios and limitations, the existing materials do not provide descriptions of usable scenarios, nor do they provide information on fees, pricing, free quotas, platform restrictions, language support, or regional restrictions. The above content is not currently provided.
