Meet Chang Hsu, who has adopted a unique way to online education. He gives online lectures on Maths (Calculus) on Pornhub App. The world is full of tutoring stuff, and competition Mr. Hsu started uploading maths lecture videos on Pornhub App, which is a platform for adult content.
This was a unique approach adopted by Hsu, but his techniques worked and he has 13,000 subscribers and nearly 3 million views. This strategy also increased traffic for his paid course, which made his yearly income $270,000 (Rs 2.26 crore).
According to the New York Post, Mr. Hsu has a Master’s degree and 15 years of experience teaching math. He early uploaded his lecture on YouTube, But then he switch the platform and shifted to other platforms.
In May 2022, he started uploading Calculus lessons on Pornhub and his creative marketing strategy worked well. Many students has approached his free lessons available on Pornhub, and the same for the paid courses.
Mr. Hsu’s username on pornhub is changshumath666, and he has a verified account on it. His channel slogan is:
“Play Hard, Study Hard”
That made his channel a very popular source of learning on this adult content app.
In a recent interview with, Mel Magazine said: “Since very few people teach math on adult websites, and since a lot of people watch videos on those sites, I thought many would see my lessons if I uploaded them there.”
In the videos of Mr. Hsu mostly wears a grey hoodie or shirt and glasses, and explains complex problems related derivation and integrations. Each video length on Pornhub App is around 40 minutes and his average views are 20,000. However, he estimates that more than 60% of his viewers watch for entertainment rather than to learn calculus.
He also revealed that the main purpose of uploading videos there is to teach maths there, But people also have started him by calling Taiwan Maths Teacher. Despite this, he also faced some issue while uploading videos on these apps as they removed his educational videos quickly due to the strict policies of the app.
He uses this income to cover his expenses, pay his bills, and provide salaries for his employees, who help him create and deliver educational content.
Mr. Hsu said, “I didn’t want to teach math on Pornhub. I just wanted the world to know that I’m a teacher from Taiwan who can teach calculus well.”
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