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Listed below are some helpful calculation websites:
Dosage Calculations: NCLEX-RN - Perform calculations needed for medication administration. Use clinical decision making/critical thinking when calculating dosages
Dosage Help - This website provides a dosage calculations tutorial, complete with explanations and examples, to help nursing students prepare for a medication exam.
Practice tests with with explanations and answers:
Nursing Students Quizzes & Sample Tests - Interactive quizzes and sample tests in many areas for nursing students and current nurses. At the bottom of the page, there are dosage and calculation videos.