Abdul Basit Khan found Mathigon:

• Significantly saves school money“No more tutors”
• Significantly improves teaching efficiency“More interactive makes you interested in the topic and you don't want to stop learning”
• Significantly improves parent engagement“They want me to keep using mathigon as it improves my grades”
• Significantly builds student knowledge“It teaches stuff that you wouldn't normally know or learn like how pi was invented more than 500 years ago”