Scilabのルートパスの値を有する変数.
定数変数SCIはScilabのルートパスの値を有します.
For MSWindows users, SCI is the
short MSDOS-like version of the
path to the Scilab installation directory. When needed, the long version of the path
is available from the WSCI constant variable. It is equal to
getlongpathname(SCI).