110videosDr Barker
31.5K subscribers on YouTube
Shorts, livestreams, trailers and promos are never listed. Unless a curator approved this channel in full, only individually picked videos appear.
Playlists · 12
23:093 Proofs of Vandermonde's Identity
4.56K views
A 23-minute video from Dr Barker's catalogue; the title names its topic.
5:59A 3D Lattice Problem
2.57K views
A 6-minute video from Dr Barker's catalogue; the title names its topic.
20:54A Beautiful Proof of a Beautiful Inequality
8.18K views
A 21-minute video from Dr Barker's catalogue; the title names its topic.
11:35A Calculus Problem with a Twist
4.39K views
A 12-minute video from Dr Barker's catalogue; the title names its topic.
8:03A Comparison of Methods
3.78K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
4:50A Complex Proof of the Harmonic Addition Theorem
6.39K views
A 5-minute video from Dr Barker's catalogue; the title names its topic.
10:26A Controversial Polynomial
11.2K views
A 10-minute video from Dr Barker's catalogue; the title names its topic.
8:57A Different Geometric Interpretation for the Scalar Triple Product
4.08K views
A 9-minute video from Dr Barker's catalogue; the title names its topic.
10:45A Double Series Problem
5.29K views
A 11-minute video from Dr Barker's catalogue; the title names its topic.
6:09A Factor Tree Puzzle
2.56K views
A 6-minute video from Dr Barker's catalogue; the title names its topic.
10:10A Factorial Product Problem
3.37K views
A 10-minute video from Dr Barker's catalogue; the title names its topic.
5:49A Fibonacci AND Geometric Sequence
3.76K views
A 6-minute video from Dr Barker's catalogue; the title names its topic.
12:42A Fibonacci Series Problem
5.7K views
A 13-minute video from Dr Barker's catalogue; the title names its topic.
11:09A Floor & Ceiling Equation
7.88K views
A 11-minute video from Dr Barker's catalogue; the title names its topic.
7:35A Fun Definite Integral
3.03K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
9:42A Fun Exponential Equation
4.01K views
A 10-minute video from Dr Barker's catalogue; the title names its topic.
8:22A Fun Golden Ratio Limit
20.7K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
6:29A Fun Limit Problem: Use Algebra, not L'Hôpital!
3.39K views
A 6-minute video from Dr Barker's catalogue; the title names its topic.
7:57A Fun Number Theory Problem
55.6K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
4:26A Fun Problem from Hungary
3.17K views
A 4-minute video from Dr Barker's catalogue; the title names its topic.
9:17A Fun Series Problem
8.72K views
A 9-minute video from Dr Barker's catalogue; the title names its topic.
8:40A Fun Telescoping Trick for Series
12.3K views
A 9-minute video from Dr Barker's catalogue; the title names its topic.
9:01A Fun Twist on a Familiar Problem
9.77K views
A 9-minute video from Dr Barker's catalogue; the title names its topic.
15:26A Fun Way to Solve Cubics: Vieta's Substitution
46K views
A 15-minute video from Dr Barker's catalogue; the title names its topic.
13:22A Function with no Minimum. Should we be surprised?
14.8K views
A 13-minute video from Dr Barker's catalogue; the title names its topic.
7:31A Functional Equation Problem
7.03K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
7:19A Functional Equation Problem
5.76K views
A 7-minute video from Dr Barker's catalogue; the title names its topic.
8:26A Functional Inequality
6.9K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
12:55A Hyperbolic Take on the Fibonacci Sequence
13.7K views
A 13-minute video from Dr Barker's catalogue; the title names its topic.
7:12A Limit With A Cube Root
5.21K views
A 7-minute video from Dr Barker's catalogue; the title names its topic.
14:37A Limit with an Elegant Solution
10.1K views
A 15-minute video from Dr Barker's catalogue; the title names its topic.
6:06A Minimum/Maximum Puzzle
6.64K views
A 6-minute video from Dr Barker's catalogue; the title names its topic.
22:13A Neat Application of Complex Numbers
5.9K views
A 22-minute video from Dr Barker's catalogue; the title names its topic.
7:38A Neat Product Inequality
3.41K views
A 8-minute video from Dr Barker's catalogue; the title names its topic.
12:34A Neat Property of Logarithmic Spirals
16.8K views
A 13-minute video from Dr Barker's catalogue; the title names its topic.
14:20A Neat Simplification using Complex Numbers
5.1K views
A 14-minute video from Dr Barker's catalogue; the title names its topic.