PQ Method For Arithmetic Annuities on BA II Plus Calculator Jul 10, 2025

Hi there!

Today I have released a new Financial Mathematics video for you regarding how to quickly calculate arithmetic annuities in the BAII Plus financial calculator, using what is known as the "PQ Method."

In this video you will learn:

  1. Why the PQ Method is needed
  2. Where the PQ Method come...
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Algebra Lesson 16: Markup Problems Jul 07, 2025

Hi there! Last week I released the 16th lesson of my Algebra series. In this lesson we continue learning the applications of solving equations with markup problems!

In particular, you will learn:

  1. What is markup?
  2. How to solve markup problems by setting up and solving equations

I hope you f...

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Calculus 3 Lesson 43: Continuity of Multivariable Functions Jun 23, 2025

Hi there! Today I have released Lesson 43 of my Calculus 3 series. In this lesson we learn about continuity of multivariable functions!

In particular you will learn:

  1. The definition of continuity of multivariable functions (with limits!)
  2. How to determine the regions where a multivariable func...
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Algebra Lesson 15: Perimeter Problems Jun 16, 2025

Hi there! Today I have released the 15th lesson of my Algebra series. In this lesson we continue learning the applications of solving equations with perimeter problems!

In particular, you will learn about:

  1. Perimeter of common shapes
  2. How to solve perimeter problems by setting up and solving e...
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Calculus 3 Lesson 42: Limits of Functions of Three Variables Jun 11, 2025

Hi there! Today I have released Lesson 42 of my Calculus 3 series. In this lesson we continue learning about limits of multivariable functions by focusing on limits of functions of 3 variables!

In particular you will learn:

  1. How to show that limits of functions of 3 variables exist
  2. How to sho...
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Algebra Lesson 14: The Basic Percent Equation Jun 04, 2025

Hi there! Today I have released the 14th lesson of my Algebra series. In this lesson we begin learning the applications of solving equations with how to solve basic percent problems!

In particular, you will learn about:

  1. The Basic Percent Equation (PB=A)
  2. How to solve basic percent problems
...
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Calculus 3 Lesson 41: Limits of Functions of Two Variables May 30, 2025

Hi there! Today I have released Lesson 41 of my Calculus 3 series. In this lesson we begin learning how to find limits of multivariable functions!

In particular you will learn:

  1. How to show that limits of functions of two variables exist
  2. How to show that limits of functions of two variables d...
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Algebra Lesson 13: Verbal Equations (Translating Sentences into Equations) May 21, 2025

Hi there! Today I have released the 13th lesson of my Algebra series. In this lesson we learn how to translate sentences into equations and solve them!

In particular, you will learn:

  1. How to translate a sentence into an equation (words to look out for!)
  2. How to solve consecutive integer proble...
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Calculus 3 Lesson 40: Level Curves & Contour Maps May 14, 2025

Hi there! Today I have released Lesson 40 of my Calculus 3 series. In this lesson we learn about level curves and contour maps!

In particular you will learn about:

  1. How to find level curves of multivariable functions
  2. How to sketch contour maps for multivariable functions
  3. How to identify leve...
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Algebra Lesson 12: Solving Equations Containing Parentheses May 09, 2025

Hi there! Today I have released the 12th lesson of my Algebra series. In this lesson we learn how to solve equations that contain parentheses.

In particular, you will learn:

  1. How to solve equations containing parentheses using the distributive property
  2. How to check the solutions of equations ...
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