[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

[@drtrefor](/creator/youtube/drtrefor)
"Intro to Graph Theory Definitions & Ex: X Bridges of Konigsberg"  
[YouTube Link](https://youtube.com/watch?v=C7YrMRdLkqo) [@drtrefor](/creator/youtube/drtrefor) 2018-11-28T13:04Z 550K followers, 73.5K engagements


"The best way to stack blocks"  
[YouTube Link](https://youtube.com/watch?v=FYgrDtFyNt4) [@drtrefor](/creator/youtube/drtrefor) 2025-10-05T17:47Z 550K followers, 189K engagements


"An infinite block overhang"  
[YouTube Link](https://youtube.com/watch?v=HlXM4cNJsxc) [@drtrefor](/creator/youtube/drtrefor) 2025-09-30T16:14Z 550K followers, 4.8M engagements


"Divergence Theorem for regions bounded by two surfaces // Vector Calculus"  
[YouTube Link](https://youtube.com/watch?v=RZE7iB71X7o) [@drtrefor](/creator/youtube/drtrefor) 2020-12-17T04:22Z 550K followers, 34.2K engagements


"♥♥♥ Thank you Calc Students♥♥♥ Some final thoughts"  
[YouTube Link](https://youtube.com/watch?v=STVJ_-T_YDY) [@drtrefor](/creator/youtube/drtrefor) 2017-11-25T22:43Z 550K followers, 4958 engagements


"The Null Space & Column Space of a Matrix Algebraically & Geometrically"  
[YouTube Link](https://youtube.com/watch?v=YQRioQ1XUck) [@drtrefor](/creator/youtube/drtrefor) 2018-06-16T19:27Z 550K followers, 95.4K engagements


"Can one boundary have multiple bubble surfaces"  
[YouTube Link](https://youtube.com/watch?v=bVtRcepASBo) [@drtrefor](/creator/youtube/drtrefor) 2025-08-12T17:14Z 550K followers, 2.9M engagements


"What are the big ideas of Multivariable Calculus Full Course Intro"  
[YouTube Link](https://youtube.com/watch?v=gsUgDpGWk-M) [@drtrefor](/creator/youtube/drtrefor) 2020-04-28T15:23Z 550K followers, 578.1K engagements


"What is a DIFFERENTIAL EQUATION **Intro to my full ODE course**"  
[YouTube Link](https://youtube.com/watch?v=B5IjsTONKkw) [@drtrefor](/creator/youtube/drtrefor) 2021-01-13T18:13Z 550K followers, 370.7K engagements


"Translation and Inverse Laplace Transforms"  
[YouTube Link](https://youtube.com/watch?v=PNSvSCkkLBo) [@drtrefor](/creator/youtube/drtrefor) 2020-03-23T18:21Z 550K followers, 86.5K engagements


"Bayes' Theorem - The Simplest Case"  
[YouTube Link](https://youtube.com/watch?v=XQoLVl31ZfQ) [@drtrefor](/creator/youtube/drtrefor) 2017-11-19T01:32Z 550K followers, 1.9M engagements


"Proof: There are infinitely many primes numbers"  
[YouTube Link](https://youtube.com/watch?v=inUkhh8-h-I) [@drtrefor](/creator/youtube/drtrefor) 2017-06-13T17:15Z 550K followers, 102.4K engagements


"All the LOGARITHMS needed for calculus actually explained"  
[YouTube Link](https://youtube.com/watch?v=5YoR3b_Wq2w) [@drtrefor](/creator/youtube/drtrefor) 2025-02-24T17:41Z 550K followers, 25.3K engagements


"Vector Spaces Definition & Examples"  
[YouTube Link](https://youtube.com/watch?v=72GtkP6nP_A) [@drtrefor](/creator/youtube/drtrefor) 2018-06-16T20:27Z 550K followers, 125.5K engagements


"Divergence Flux and Green's Theorem // Vector Calculus"  
[YouTube Link](https://youtube.com/watch?v=GsjJs71SBec) [@drtrefor](/creator/youtube/drtrefor) 2020-11-18T16:28Z 550K followers, 98.3K engagements


"This paradox is weird"  
[YouTube Link](https://youtube.com/watch?v=gp9xlcJkuMU) [@drtrefor](/creator/youtube/drtrefor) 2025-09-23T16:10Z 550K followers, 78.6K engagements


"Finding the scalar potential function for a conservative vector field // Vector Calculus"  
[YouTube Link](https://youtube.com/watch?v=jlza4rEFXKM) [@drtrefor](/creator/youtube/drtrefor) 2020-11-16T17:12Z 550K followers, 151.4K engagements


"Equivalence Relations - Reflexive Symmetric and Transitive"  
[YouTube Link](https://youtube.com/watch?v=T6RUxvJR8i4) [@drtrefor](/creator/youtube/drtrefor) 2017-07-09T03:25Z 550K followers, 179.4K engagements


"Welcome to Calculus II"  
[YouTube Link](https://youtube.com/watch?v=i4c8n4S-Sp0) [@drtrefor](/creator/youtube/drtrefor) 2017-12-07T15:52Z 550K followers, 128.1K engagements


"Why does a 4pi rotation untwist the space but a 2pi rotation does not"  
[YouTube Link](https://youtube.com/watch?v=pN34SMNvB8w) [@drtrefor](/creator/youtube/drtrefor) 2023-03-21T16:46Z 550K followers, 96.2K engagements


"9 tips to help you PROVE MATH THEOREMS"  
[YouTube Link](https://youtube.com/watch?v=-6b-tQEBUT8) [@drtrefor](/creator/youtube/drtrefor) 2020-07-05T18:50Z 550K followers, 155.1K engagements


"Proof by Contrapositive Method & First Example"  
[YouTube Link](https://youtube.com/watch?v=0YqZIHFmVzg) [@drtrefor](/creator/youtube/drtrefor) 2017-06-13T14:46Z 550K followers, 169.7K engagements


"Choosing Which Convergence Test to Apply to X Series"  
[YouTube Link](https://youtube.com/watch?v=0wefqjpQyKM) [@drtrefor](/creator/youtube/drtrefor) 2019-02-25T12:31Z 550K followers, 612.4K engagements


"Why (-11) and (-infinity infinity) are kinda the same thing"  
[YouTube Link](https://youtube.com/watch?v=4RxyIVlt4A0) [@drtrefor](/creator/youtube/drtrefor) 2023-07-18T19:02Z 550K followers, 137.9K engagements


"What eigenvalues and eigenvectors mean geometrically"  
[YouTube Link](https://youtube.com/watch?v=4wTHFmZPhT0) [@drtrefor](/creator/youtube/drtrefor) 2017-06-27T00:38Z 550K followers, 215.9K engagements


"How I make beautiful GRAPHS and PLOTS using LaTeX"  
[YouTube Link](https://youtube.com/watch?v=5jmIHOWpEg0) [@drtrefor](/creator/youtube/drtrefor) 2022-05-30T16:35Z 550K followers, 568.5K engagements


"Lagrange Multipliers Geometric Meaning & Full Example"  
[YouTube Link](https://youtube.com/watch?v=8mjcnxGMwFo) [@drtrefor](/creator/youtube/drtrefor) 2019-11-27T20:32Z 550K followers, 447.5K engagements


"Computing the Fourier Series of EVEN or ODD Functions **full example**"  
[YouTube Link](https://youtube.com/watch?v=Gs14OvCSxF4) [@drtrefor](/creator/youtube/drtrefor) 2021-05-09T15:43Z 550K followers, 186.1K engagements


"Change the order of integration to solve tricky integrals"  
[YouTube Link](https://youtube.com/watch?v=LUvynduoUX0) [@drtrefor](/creator/youtube/drtrefor) 2020-07-22T15:48Z 550K followers, 258K engagements


"Torsion: How curves twist in space and the TNB or Frenet Frame"  
[YouTube Link](https://youtube.com/watch?v=VIqA8U9ozIA) [@drtrefor](/creator/youtube/drtrefor) 2019-10-23T19:54Z 550K followers, 189.1K engagements


"Proof by Contradiction Method & First Example"  
[YouTube Link](https://youtube.com/watch?v=huGWXh4l1M0) [@drtrefor](/creator/youtube/drtrefor) 2017-06-13T14:30Z 550K followers, 267.5K engagements


"Did I make a 4D bubble"  
[YouTube Link](https://youtube.com/watch?v=m8cav0cF5yM) [@drtrefor](/creator/youtube/drtrefor) 2025-08-04T19:47Z 550K followers, 3.3M engagements


"When can you use Series to solve ODEs Ordinary vs Singular Points"  
[YouTube Link](https://youtube.com/watch?v=nCT3P8EsoPw) [@drtrefor](/creator/youtube/drtrefor) 2020-06-01T15:00Z 550K followers, 98.9K engagements


"The Divergence Theorem // Geometric Intuition & Statement // Vector Calculus"  
[YouTube Link](https://youtube.com/watch?v=pY4t-ikhzhU) [@drtrefor](/creator/youtube/drtrefor) 2020-12-14T15:44Z 550K followers, 165.3K engagements


"Intro to Logical Statements"  
[YouTube Link](https://youtube.com/watch?v=q2eyZZK-OIk) [@drtrefor](/creator/youtube/drtrefor) 2017-05-15T20:56Z 550K followers, 281.7K engagements


"What is XX Is X a natural number MATHEMATICIANS DISAGREE"  
[YouTube Link](https://youtube.com/watch?v=rBz5k2T7p4A) [@drtrefor](/creator/youtube/drtrefor) 2024-11-17T17:25Z 550K followers, 53.8K engagements


"How I Make Presentations Using LaTeX & Beamer"  
[YouTube Link](https://youtube.com/watch?v=rx7wwtmFlD8) [@drtrefor](/creator/youtube/drtrefor) 2022-08-03T16:00Z 550K followers, 288.6K engagements


"How curvy is a curve Intro to Curvature & Circles of Curvature Multi-variable Calculus"  
[YouTube Link](https://youtube.com/watch?v=si6ka6HeUdY) [@drtrefor](/creator/youtube/drtrefor) 2019-10-20T16:50Z 550K followers, 113K engagements


"3 Properties of Laplace Transforms: Linearity Existence and Inverses"  
[YouTube Link](https://youtube.com/watch?v=zModDQ-ST30) [@drtrefor](/creator/youtube/drtrefor) 2020-03-17T18:51Z 550K followers, 176.6K engagements


"Intro to LaTeX **Full Tutorial** Part II (Equations Tables Figures Theorems Macros and more)"  
[YouTube Link](https://youtube.com/watch?v=-HvRvBjBAvg) [@drtrefor](/creator/youtube/drtrefor) 2021-08-10T16:06Z 550K followers, 293K engagements


"My favorite LaTeX packages for writing beautiful math documents"  
[YouTube Link](https://youtube.com/watch?v=331YxgOJUGw) [@drtrefor](/creator/youtube/drtrefor) 2021-11-16T17:31Z 550K followers, 235.3K engagements


"Are you just bad at math #shorts"  
[YouTube Link](https://youtube.com/watch?v=3r2xFsQZJdM) [@drtrefor](/creator/youtube/drtrefor) 2021-07-27T18:28Z 550K followers, 100.8K engagements


"How to make your LaTeX documents BEAUTIFUL // LaTeX Tutorial"  
[YouTube Link](https://youtube.com/watch?v=7B7ytLrMTa0) [@drtrefor](/creator/youtube/drtrefor) 2023-04-19T18:23Z 550K followers, 127.9K engagements


"Undetermined Coefficients: Solving non-homogeneous ODEs"  
[YouTube Link](https://youtube.com/watch?v=AgyeJEO2a-k) [@drtrefor](/creator/youtube/drtrefor) 2021-04-19T16:10Z 550K followers, 556.6K engagements


"The Key Definitions of Differential Equations: ODE order solution initial condition IVP"  
[YouTube Link](https://youtube.com/watch?v=C3WKwB5gBqI) [@drtrefor](/creator/youtube/drtrefor) 2021-01-20T18:10Z 550K followers, 136.1K engagements


"Mechanical Vibrations: Underdamped vs Overdamped vs Critically Damped"  
[YouTube Link](https://youtube.com/watch?v=CTd1uVq5-l8) [@drtrefor](/creator/youtube/drtrefor) 2021-04-14T16:54Z 550K followers, 220.6K engagements


"What is a Solution to a Linear System **Intro**"  
[YouTube Link](https://youtube.com/watch?v=H8MiZMJr1kQ) [@drtrefor](/creator/youtube/drtrefor) 2018-04-28T18:03Z 550K followers, 116.2K engagements


"Intro to LaTeX : Learn to write beautiful math equations Part 1"  
[YouTube Link](https://youtube.com/watch?v=Jp0lPj2-DQA) [@drtrefor](/creator/youtube/drtrefor) 2020-05-05T16:00Z 550K followers, 1.4M engagements


"Intro to Linear Programming"  
[YouTube Link](https://youtube.com/watch?v=K7TL5NMlKIk) [@drtrefor](/creator/youtube/drtrefor) 2021-04-06T15:55Z 550K followers, 281K engagements


"Necessary and Sufficient Conditions"  
[YouTube Link](https://youtube.com/watch?v=KCMGWRoPuMY) [@drtrefor](/creator/youtube/drtrefor) 2017-05-29T23:48Z 550K followers, 146.9K engagements


"Angle between vectors leads to defining the Dot Product Multivariable Calculus"  
[YouTube Link](https://youtube.com/watch?v=MQsZEoUV__0) [@drtrefor](/creator/youtube/drtrefor) 2019-08-14T18:01Z 550K followers, 100.4K engagements


"Logical Arguments - Modus Ponens & Modus Tollens"  
[YouTube Link](https://youtube.com/watch?v=NTSZMdGlo4g) [@drtrefor](/creator/youtube/drtrefor) 2017-05-23T00:47Z 550K followers, 455.1K engagements


"This pattern appears everywhere in nature // Voronoi Cells"  
[YouTube Link](https://youtube.com/watch?v=RyVpm6DQJYc) [@drtrefor](/creator/youtube/drtrefor) 2025-09-14T16:10Z 550K followers, 438K engagements


"The Vector Space of Polynomials: Span Linear Independence and Basis"  
[YouTube Link](https://youtube.com/watch?v=SzZaQnzstfE) [@drtrefor](/creator/youtube/drtrefor) 2020-07-12T13:37Z 550K followers, 171.2K engagements


"How I use AI in LaTeX -- my favorite workflow with Overleaf & Writefull"  
[YouTube Link](https://youtube.com/watch?v=T_dAb3vTx4U) [@drtrefor](/creator/youtube/drtrefor) 2024-12-02T16:31Z 550K followers, 68.1K engagements


"Double Integration in Polar Coordinates Example & Derivation"  
[YouTube Link](https://youtube.com/watch?v=U-13q74uvTo) [@drtrefor](/creator/youtube/drtrefor) 2019-12-08T20:14Z 550K followers, 159.2K engagements


"Set-Roster vs Set-Builder notation"  
[YouTube Link](https://youtube.com/watch?v=aTlR03t1dTQ) [@drtrefor](/creator/youtube/drtrefor) 2017-04-25T03:17Z 550K followers, 175.1K engagements


"Comparison Test for Improper Integrals"  
[YouTube Link](https://youtube.com/watch?v=bkPR8wumPgQ) [@drtrefor](/creator/youtube/drtrefor) 2019-01-30T14:18Z 550K followers, 187.6K engagements


"The Geometric Meaning of Differential Equations // Slope Fields Integral Curves & Isoclines"  
[YouTube Link](https://youtube.com/watch?v=ccDMpj2UK_M) [@drtrefor](/creator/youtube/drtrefor) 2021-02-11T16:17Z 550K followers, 113.5K engagements


"All the TRIG you need for calculus actually explained"  
[YouTube Link](https://youtube.com/watch?v=e7QjCL7lQM4) [@drtrefor](/creator/youtube/drtrefor) 2024-09-11T16:07Z 550K followers, 301.3K engagements


"Flux of a Vector Field Across a Surface // Vector Calculus"  
[YouTube Link](https://youtube.com/watch?v=eYhUm2KJnM4) [@drtrefor](/creator/youtube/drtrefor) 2020-12-08T16:52Z 550K followers, 83.6K engagements


"Unlocking the secrets of Magic Square puzzles"  
[YouTube Link](https://youtube.com/watch?v=fb2rvckCR8M) [@drtrefor](/creator/youtube/drtrefor) 2023-05-30T15:45Z 550K followers, 63K engagements


"The Bernoulli Equation // Substitutions in Differential Equations"  
[YouTube Link](https://youtube.com/watch?v=iCN8nGXE29o) [@drtrefor](/creator/youtube/drtrefor) 2021-03-08T15:49Z 550K followers, 216.9K engagements


"Intro to Conditional Probability"  
[YouTube Link](https://youtube.com/watch?v=ibINrxJLvlM) [@drtrefor](/creator/youtube/drtrefor) 2017-11-19T00:46Z 550K followers, 1.6M engagements


"How to Compute a FOURIER SERIES // Formulas & Full Example"  
[YouTube Link](https://youtube.com/watch?v=ijQaTAT3kOg) [@drtrefor](/creator/youtube/drtrefor) 2021-05-06T15:39Z 550K followers, 482.7K engagements


"Negating a Conditional Statement"  
[YouTube Link](https://youtube.com/watch?v=j7qVcc6X8g4) [@drtrefor](/creator/youtube/drtrefor) 2017-05-19T21:50Z 550K followers, 160.9K engagements


"Quotient-Remainder Theorem and Modular Arithmetic"  
[YouTube Link](https://youtube.com/watch?v=jCUOhbk1O_o) [@drtrefor](/creator/youtube/drtrefor) 2017-06-10T16:38Z 550K followers, 48.8K engagements


"The Gaussian Integral // Solved Using Polar Coordinates"  
[YouTube Link](https://youtube.com/watch?v=mrcRODAx-Vk) [@drtrefor](/creator/youtube/drtrefor) 2020-07-26T15:17Z 550K followers, 136.4K engagements


"Autonomous Equations Equilibrium Solutions and Stability"  
[YouTube Link](https://youtube.com/watch?v=pZOmToxx-R8) [@drtrefor](/creator/youtube/drtrefor) 2021-03-10T16:47Z 550K followers, 148.9K engagements


"Reflexive Symmetric and Transitive Relations on a Set"  
[YouTube Link](https://youtube.com/watch?v=q0xN_N7l_Kw) [@drtrefor](/creator/youtube/drtrefor) 2017-07-09T03:22Z 550K followers, 405.1K engagements


"What is cos( cos( cos( cos( cos( cos( cos( cos( cos( cos( cos( cos( // Banach Fixed Point Theorem"  
[YouTube Link](https://youtube.com/watch?v=qHnXE_h5c2M) [@drtrefor](/creator/youtube/drtrefor) 2022-01-10T17:07Z 550K followers, 630.5K engagements


"Strange Attractors"  
[YouTube Link](https://youtube.com/watch?v=rPjPjKPnk1c) [@drtrefor](/creator/youtube/drtrefor) 2025-10-13T15:24Z 550K followers, 113.1K engagements


"Flux Integrals // Big Idea Formula & Examples // Vector Calculus"  
[YouTube Link](https://youtube.com/watch?v=sX9s0JiWATM) [@drtrefor](/creator/youtube/drtrefor) 2020-10-28T16:27Z 550K followers, 114.6K engagements


"Change of Variables & The Jacobian Multi-variable Integration"  
[YouTube Link](https://youtube.com/watch?v=wUF-lyyWpUc) [@drtrefor](/creator/youtube/drtrefor) 2019-12-18T20:53Z 550K followers, 388.6K engagements


"Tables in LaTeX Full Tutorial Intro to LaTeX Episode 8"  
[YouTube Link](https://youtube.com/watch?v=xyZtxfMsD38) [@drtrefor](/creator/youtube/drtrefor) 2022-11-21T17:35Z 550K followers, 139.9K engagements


"The Laplace Transform of Derivatives and Integrals"  
[YouTube Link](https://youtube.com/watch?v=zfhyeXbb0d4) [@drtrefor](/creator/youtube/drtrefor) 2020-03-18T21:11Z 550K followers, 178.7K engagements


"3D Curves and their Tangents Intro to Vector-Valued Functions"  
[YouTube Link](https://youtube.com/watch?v=40r56pX4mqA) [@drtrefor](/creator/youtube/drtrefor) 2019-10-08T00:34Z 550K followers, 147.8K engagements


"Intro to Truth Tables Negation Conjunction and Disjunction"  
[YouTube Link](https://youtube.com/watch?v=7mulE-zramc) [@drtrefor](/creator/youtube/drtrefor) 2017-05-16T20:37Z 550K followers, 321.8K engagements


"How long is a curve The Arclength Formula in 3D"  
[YouTube Link](https://youtube.com/watch?v=80J5s0pic8M) [@drtrefor](/creator/youtube/drtrefor) 2019-10-13T17:00Z 550K followers, 91.5K engagements


"What is differentiability for multivariable functions"  
[YouTube Link](https://youtube.com/watch?v=9n0cRmmxkJw) [@drtrefor](/creator/youtube/drtrefor) 2020-06-17T15:16Z 550K followers, 135.8K engagements


"Dirac's Belt Trick: Why a X rotation twists space but a X rotation fixes it"  
[YouTube Link](https://youtube.com/watch?v=EgsUDby0X1M) [@drtrefor](/creator/youtube/drtrefor) 2022-05-23T15:03Z 550K followers, 71.6K engagements


"Why this pattern shows up everywhere in nature Voronoi Cell Pattern"  
[YouTube Link](https://youtube.com/watch?v=GafRRl5XRPM) [@drtrefor](/creator/youtube/drtrefor) 2023-06-20T15:44Z 550K followers, 156.6K engagements


"Intro to Mathematical Induction"  
[YouTube Link](https://youtube.com/watch?v=GdM_iA1Zek4) [@drtrefor](/creator/youtube/drtrefor) 2017-06-18T23:30Z 550K followers, 128.8K engagements


"The Empty Set & Vacuous Truth"  
[YouTube Link](https://youtube.com/watch?v=GqvX4Fi0jbM) [@drtrefor](/creator/youtube/drtrefor) 2018-08-24T14:27Z 550K followers, 136.7K engagements


"The Illusion of Thinking // The new Apple AI paper is.something"  
[YouTube Link](https://youtube.com/watch?v=H3YvlRBEx1I) [@drtrefor](/creator/youtube/drtrefor) 2025-06-11T16:45Z 550K followers, 52.6K engagements


"Equations of Planes: Vector & Component Forms Multivariable Calculus"  
[YouTube Link](https://youtube.com/watch?v=HjJ140TYbXQ) [@drtrefor](/creator/youtube/drtrefor) 2019-08-25T16:08Z 550K followers, 175K engagements


"Intro to the Laplace Transform & Three Examples"  
[YouTube Link](https://youtube.com/watch?v=KqokoYr_h1A) [@drtrefor](/creator/youtube/drtrefor) 2020-03-15T19:37Z 550K followers, 1.2M engagements


"Analyzing an argument for validity"  
[YouTube Link](https://youtube.com/watch?v=ON7yAw6W9VY) [@drtrefor](/creator/youtube/drtrefor) 2017-05-23T17:45Z 550K followers, 134.5K engagements


"The Bernoulli Integral is ridiculous"  
[YouTube Link](https://youtube.com/watch?v=PxyK_Tsnz10) [@drtrefor](/creator/youtube/drtrefor) 2023-02-28T17:23Z 550K followers, 758K engagements


"The MATH of Pandemics Intro to the SIR Model"  
[YouTube Link](https://youtube.com/watch?v=Qrp40ck3WpI) [@drtrefor](/creator/youtube/drtrefor) 2020-03-11T16:00Z 550K followers, 326.3K engagements


"The Dirac Delta 'Function': How to model an impulse or infinite spike"  
[YouTube Link](https://youtube.com/watch?v=SxNVcCVj-3c) [@drtrefor](/creator/youtube/drtrefor) 2020-05-09T18:31Z 550K followers, 120.4K engagements


"Power Series & Intervals of Convergence"  
[YouTube Link](https://youtube.com/watch?v=XHoRBh4hQNU) [@drtrefor](/creator/youtube/drtrefor) 2019-02-28T12:25Z 550K followers, 156.1K engagements


"What's the big idea of Linear Algebra **Course Intro**"  
[YouTube Link](https://youtube.com/watch?v=ZKUqtErZCiU) [@drtrefor](/creator/youtube/drtrefor) 2018-02-18T17:24Z 550K followers, 485.2K engagements


"INTEREST: Simple Interest vs Compound Interest vs Continuous Interest"  
[YouTube Link](https://youtube.com/watch?v=_sNMVHKcp9s) [@drtrefor](/creator/youtube/drtrefor) 2021-06-01T18:36Z 550K followers, 75K engagements


"How to make beautiful math graphics using Tikz & LaTeX"  
[YouTube Link](https://youtube.com/watch?v=bQugbYq0BVA) [@drtrefor](/creator/youtube/drtrefor) 2022-04-19T16:00Z 550K followers, 199.7K engagements


"This is the best way to stack blocks"  
[YouTube Link](https://youtube.com/watch?v=eA0qGJMZ7vA) [@drtrefor](/creator/youtube/drtrefor) 2025-08-19T16:14Z 550K followers, 377.7K engagements


"Intro to Gradient Descent Optimizing High-Dimensional Equations"  
[YouTube Link](https://youtube.com/watch?v=fXQXE96r4AY) [@drtrefor](/creator/youtube/drtrefor) 2023-02-14T17:02Z 550K followers, 99.9K engagements


"Using Laplace Transforms to solve Differential Equations ***full example***"  
[YouTube Link](https://youtube.com/watch?v=fuxFrpaMLtw) [@drtrefor](/creator/youtube/drtrefor) 2020-03-21T23:40Z 550K followers, 347K engagements


"Spherical Loaf of Bread"  
[YouTube Link](https://youtube.com/watch?v=k119p_mo-1s) [@drtrefor](/creator/youtube/drtrefor) 2025-05-07T15:52Z 550K followers, 475.3K engagements


"How SIMPSON'S PARADOX explains weird COVID19 statistics"  
[YouTube Link](https://youtube.com/watch?v=t-Ci3FosqZs) [@drtrefor](/creator/youtube/drtrefor) 2020-07-08T15:30Z 550K followers, 68.2K engagements


"How to find the TANGENT PLANE Linear approximation of multi-variable functions"  
[YouTube Link](https://youtube.com/watch?v=wqtr4Udz8AY) [@drtrefor](/creator/youtube/drtrefor) 2019-11-20T01:36Z 550K followers, 176.5K engagements


"How to solve ODEs with infinite series Intro & Easiest Example: y'=y"  
[YouTube Link](https://youtube.com/watch?v=xeeM3TT4Zgg) [@drtrefor](/creator/youtube/drtrefor) 2020-05-26T16:49Z 550K followers, 94.7K engagements


"Geometrically Defining the Cross Product Multivariable Calculus"  
[YouTube Link](https://youtube.com/watch?v=xoeoGQ1Bzqc) [@drtrefor](/creator/youtube/drtrefor) 2019-08-19T15:29Z 550K followers, 93.6K engagements


"Laplace Transform and Piecewise or Discontinuous Functions"  
[YouTube Link](https://youtube.com/watch?v=zo4Stc-raQE) [@drtrefor](/creator/youtube/drtrefor) 2020-04-25T21:08Z 550K followers, 135.4K engagements


"How to write a thesis using LaTeX **full tutorial**"  
[YouTube Link](https://youtube.com/watch?v=zqQM66uAig0) [@drtrefor](/creator/youtube/drtrefor) 2021-10-26T16:33Z 550K followers, 896.5K engagements


"Basic Tables in LaTeX #shorts"  
[YouTube Link](https://youtube.com/watch?v=8nbTO6sgLI0) [@drtrefor](/creator/youtube/drtrefor) 2022-11-27T19:30Z 549K followers, 79K engagements


"Example: Writing a vector in a new basis"  
[YouTube Link](https://youtube.com/watch?v=TZPZczNzNN4) [@drtrefor](/creator/youtube/drtrefor) 2017-06-24T18:46Z 550K followers, 19.4K engagements


"How Google designed a smarter calculator than Apple"  
[YouTube Link](https://youtube.com/watch?v=Ub86BRzqndA) [@drtrefor](/creator/youtube/drtrefor) 2025-03-10T16:11Z 549K followers, 281.3K engagements


"Cartesian Product of Two Sets A x B"  
[YouTube Link](https://youtube.com/watch?v=ufjEv-5nmcA) [@drtrefor](/creator/youtube/drtrefor) 2017-05-05T01:09Z 549K followers, 212.4K engagements