Grammar and Punctuation

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The Purdue Online Writing Lab (OWL)

OWL

The Purdue OWL offers over 200 free resources including:

  • Writing and Teaching Writing
  • Research
  • Grammar and Mechanics
  • Style Guides
  • ESL (English as a Second Language)
  • Job Search and Professional Writing

The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction.

The Purdue University Writing Lab and Purdue Online Writing Lab (OWL) assist clients in their development as writers—no matter what their skill level—with on-campus consultations, online participation, and community engagement. The Purdue Writing Lab serves the Purdue, West Lafayette, campus and coordinates with local literacy initiatives. The Purdue OWL offers global support through online reference materials and services.