How to Use the Quadratic Formula (in 8 minutes) Sep 24, 2026

Hi there! Today I have released a new quick video where I show you how to use the Quadratic Formula to solve quadratic equations!

Specifically you will learn:

  1. What the quadratic formula is
  2. How to use the quadratic formula

I hope you enjoy this new tutorial for Algebra!

- Josh

 

P.S. If...

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The Intermediate Value Theorem (Calculus 1) Sep 22, 2026

Hi there! Today I have released a new video where I teach you about the Intermediate Value Theorem. This was a topic I did not cover in my main Calc 1 series of videos, so I hope you find this to be helpful!

Specifically you will learn:

  1. What is the Intermediate Value Theorem?
  2. How to use the ...
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Series Tests Review Sep 15, 2026

Hi there! Today I have released a new video where I help you review all the series tests you need to know in Calculus 2.

Specifically in the video you will:

  1. Review every series test
  2. Practice choosing tests for example problems

I hope you enjoy this new tutorial! More to come!

- Josh

 

...
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Disk vs Washer vs Shell Method Sep 08, 2026

Hi there! Today I have released a new video where I help you determine how and when to use the disk, washer, and shell methods for calculating volume of solids of revolution in Calculus 2.

Specifically you will learn:

  1. Visual differences in how each method calculates volume
  2. How to know when t...
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Every Derivative Rule You Need to Know for Calculus Sep 01, 2026

Hi there! Today I have released a new video where I help you review (or learn for the first time) every derivative rule from Calculus 1. This includes:

  • Basic Derivative Rules
  • Product, Quotient, & Chain Rules
  • Trig, Exponential, & Logarithmic Rules

...and more!

I hope you enjoy this new tu...

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Calculus 3 Lesson 86: Stokes' Theorem + Mini Update Aug 25, 2026

Hi there! Today I have released Lesson 86 of my Calculus 3 series, which is also the FINAL lesson of the series. In this last lesson we'll learn about Stokes' Theorem for solving line integrals!

Specifically you will learn:

  1. What is the formula for Stokes' Theorem?
  2. When can Stokes' Theorem be...
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Calculus 3 Lesson 85: Divergence Theorem Aug 18, 2026

Hi there! Today I have released Lesson 85 of my Calculus 3 series. In this lesson we learn about the Divergence Theorem!

Specifically you will learn:

  1. What is a simple closed surface? 
  2. How to use the Divergence Theorem to find flux of surfaces bounding solid regions

I hope you enjoy this n...

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Calculus 3 Lesson 84: Flux Integrals Aug 11, 2026

Hi there! Today I have released Lesson 84 of my Calculus 3 series. In this lesson we learn about flux integrals!

Specifically you will learn:

  1. What is a flux integral?
  2. How to solve flux integrals for non-parametric & parametric surfaces
  3. How to determine the orientation of a surface

I hope...

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Calculus 3 Lesson 83: Surface Integrals Aug 04, 2026

Hi there! Today I have released Lesson 83 of my Calculus 3 series on Youtube. In this lesson we learn about surface integrals!

In particular you will learn:

  1. How to solve surface integrals for non-parametric surfaces
  2. How to solve surface integrals for parametric surfaces

I hope you find th...

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Calculus 3 Lesson 82: Tangent Planes & Area of Parametric Surfaces Jul 28, 2026

Hi there! Today I have released Lesson 82 of my Calculus 3 series. In this lesson we learn about tangent planes and surface area of parametric surfaces!

Specifically you will learn:

  1. How to find normal vectors of parametric surfaces
  2. How to find tangent planes for parametric surfaces
  3. How to f...
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