Math Audit Service
Expert mathematics review by Dr. Iris Vaughan. Not automated, not algorithmic — a working mathematics educator reading your specific problem and writing a specific solution.
Quick Look
Submit one problem with your attempt. You receive a 200-word worked-out solution identifying exactly where your reasoning broke down and the corrected approach.
- ✓Full worked solution
- ✓Error diagnosis
- ✓One follow-up question
- ✓5 business days
Full Report
An 800-word topic-mastery check covering the skill area behind your problem, with a 5-problem custom practice set and solutions.
- ✓800w topic analysis
- ✓5-problem custom practice set
- ✓Solutions with annotations
- ✓Examiner-style comments
- ✓10 business days
Live Session
A one-hour video session with Dr. Iris Vaughan covering your specific material — custom problem sets, live worked examples, and a study plan.
- ✓1-hour video session
- ✓Custom problem set pre-session
- ✓Recording (with permission)
- ✓Follow-up resource list
- ✓Calendar scheduling
About the reviewer
Dr. Iris Vaughan holds a doctorate in analytics from the University of Cambridge. She spent fourteen years in curriculum design (OpenStax and Khan Academy contractor) and taught secondary mathematics from 2004 to 2015. Her current research focus is identifying the single most common error per topic — the work behind every pitfall page on this site.
Disclaimer: this is an editorial opinion service, not a formal appraisal or academic certification. Solutions are provided for educational purposes. Dr. Iris Vaughan does not authenticate academic submissions, write coursework, or produce work for examination use.