[list][size=150][*]What is [color=blue]Mathematical Software[/color]?[list][*] Computer Algebra System 数式処理システム (Macsyma, Reduce, Maxima, Mathematica, Maple, ...)[*] Numerical Computing System 数値計算システム (MATLAB, Scilab, ...)[*] Mathematical Expression System 数学表現システム (TeX, MathJax, KaTeX, Ketpic, MathTOUCH, ...)[*] ... [/list][*]How do we consider about [color=red]"imaginations (delusion?)"[/color] on our education.[*]How do we check [color=purple]"miss leading"[/color] of mathematics with ICT tools.[/size][/list]