SCI, WSCI Scilabのルートパスの値を有する変数.

## 説明

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)`.

## 参照

- TMPDIR
- SCIHOME
- home
- pwd
- getlongpathname