Get the latest tech news
American Institute of Mathematics: Approved Open Textbooks
list below groups open textbooks by course title. All the books have been judged to meet the evaluation criteria set by the AIM editorial board.
TrigonometryMathematics for Elementary TeachersBusiness CalculusCalculus APEX Calculus Gregory Hartman, Brian Heinold, Troy Siemers, Dimplekumar Chalishajar Real AnalysisComplex AnalysisGeometry and TopologyProbabilityStatisticsLogicData Science and Machine Learning Several of the textbooks on the approved list make extensive use of Sage.
Or read this on Hacker News