Grammar Slammer by English Plus+ for Windows

The description of Grammar Slammer by English Plus+ - Play With New Friends

Family of English grammar help and reference tools that answer the questions the checkers raise or overlook. Grammar Slammer versions contain grammar reference only. Grammar Slammer Deluxe versions include both grammar and spelling help. Grammar Slammer Deluxe with Checkers (Windows only) includes grammar and spelling checkers with the complete grammar and spelling reference.