English grammar reference that answers the questions the checkers raise. Click the integrated search button/bookmark and grammar answers appear in the file format you already know how to use: Adobe Acrobat Reader. Useful for anyone who writes English in Windows. Use as personal tutor. A complete English language aid. For Palm OS 1.0-3.5. For more recent versions of Palm OS and handheld devices using WinCE, Symbian, or Pocket PC, use Grammar Slammer for Non-Windows.