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👑 Titan + 1M subscribers

blackpenredpen 🇺🇸

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1.43M
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236.48M
Views
2.46K
Videos
96.01K
Views / Video

About the channel

Sharing the fun of solving math problems!

Latest videos

Thumbnail: 10 quadratic equations that separate experts from beginners
10 quadratic equations that separate experts from beginners 70.88K views · 08/27/2026
Thumbnail: I asked Google Gemini for nice equations and got this!
I asked Google Gemini for nice equations and got this! 36.63K views · 08/25/2026
Thumbnail: The triangle is 1/2 of a rectangle so why is the cone 1/3 of a cylinder?
The triangle is 1/2 of a rectangle so why is the cone 1/3 of a cylinder? 115.6K views · 08/21/2026
Thumbnail: Limit of x^(y^z) as (x, y, z) goes to (0, 0, 0)
Limit of x^(y^z) as (x, y, z) goes to (0, 0, 0) 23.04K views · 08/14/2026
Thumbnail: How Riemann would probably integrate e^x from 0 to 1
How Riemann would probably integrate e^x from 0 to 1 47.78K views · 08/07/2026
Thumbnail: Solving a super nice quintic equation
Solving a super nice quintic equation 17.98K views · 08/04/2026

Latest Shorts

Thumbnail: Can you solve ln(x)+ln(-x)=0
Can you solve ln(x)+ln(-x)=0 113.16K views · 07/11/2026
Thumbnail: Solving 2^x=x^32 (just the integer solution)
Solving 2^x=x^32 (just the integer solution) 35.43K views · 06/30/2026
Thumbnail: You can solve this integral by “magic”
You can solve this integral by “magic” 63.15K views · 06/19/2026
Thumbnail: A complex way to integrate 1/(x^2+1)
A complex way to integrate 1/(x^2+1) 79.1K views · 06/14/2026

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