Videos

Shows you how to evaluate an algebraic substitution using an algebraic expression and variable values. The video shows you how to detect an algebraic substitution problem. Calculator: https://www.mathcelebrity.com/algsubs.php

This video shows you how to truncate a number to a certain amount of decimal places. It compares truncation to rounding, and how they are different. We use the “trunk”, as in chopping a tree with an ax, and you chop off the number clean at a certain point. Also…

Demonstrates the place value for a decimal using our place value calculator. Walks through the place value word to the left and right of the decimal point.

This video shows you how to calculate a future population growth P(t) based on an initial population P0, a growth percentage, and a time. Also walks through population growth word problems. Demonstrates exponential growth. Time Stamps 00:00 Intro 00:27 Population Growth Overview 01:30 Population Growth Example 03:53 Population Growth Calculator…

Shows you how to encrypt a word using ROT13 encryption and how to decrypt a ROT13 message. Time Stamps 00:00 Intro 00:30 What is ROT-13? 01:22 ROT-13 Encoding Example for “Math” 02:38 Decrypt ROT-13 Translation Rules 02:38 Decrypt ROT-13 Text 03:16 Decrypt ZNGU from ROT-13 to a Word 04:15 ROT-13…

Demonstrates the divisibility rules for (2, 3, 4, 5, 6, 7, 8, 9, 10, 11) using a number n. Also demonstrates the divisibility calculator at: https://www.mathcelebrity.com/divisibility.php

Rounds a decimal or shows you how to round a number to a specific number of digits. Evaluates the rounding based on the decider digit. Time Stamps 00:00 Intro 00:28 Rounding Decimals Intro 00:48 Rounding Decimals 3 Step Process 01:37 Rounding Decimals Up Example 02:33 Rounding Decimals Down Example 03:28…

Shows you how to estimate the square root of a number without using a calculator. You’ll find perfect squares until a perfect square is greater than your number. Call this h. Then you’ll find the next lowest perfect square. Call this l. The square root of your number n is…

Shows you the formula to find any ordinal number, using the ordinal number suffixes. We start by comparing the cardinal numbers to the ordinal numbers. Rules - If a number ends in: 1, the ordinal number suffix is “st” 2, the ordinal number suffix is “nd” 3, the ordinal number…

Walks you through step by step to calculate an antilogarithm, using base b and a log L. Time Stamps 00:00 Intro 00:24 What is an Antilog? 01:05 Antilog Formula 01:26 Antilog Examples 01:59 Antilog Calculator Demo 02:53 Antilog of 5 base 3 03:25 Antilog of 4 03:46 Conclusion

This video shows you how to classify fractions using the 3 classification types: Proper Fraction - numerator is less than the denominator Improper Fraction - numerator is greater than the denominator Whole Fraction - numerator equals the denominator Shows you a demo of the classify fractions calculator. Timestamps: 00:00 Intro…

Walks you through step by step how to identify and solve sum of consecutive integer word problems, including consecutive even integers and consecutive odd integers. Time Stamps 00:00 Intro 00:51 Types of Sum of Consecutive Integer Problems 01:26 Approach to these Problems 01:54 Sum of Consecutive Integers Equals 27 Part…

Demonstrates how to calculate the Poisson Distribution probability using our Poisson Distribution Calculator. The discrete distribution uses k success, a probability of success, lambda, mean, variance, and kurtosis.

This video shows you how to find a digit sum of a number and a reduced digit sum of a number. Calculator: https://www.mathcelebrity.com/digit-sum.php

Demos all 4 kinematic equations and shows you the strategy to pick the applicable equation for problems. Solves for acceleration, displacement, time, initial velocity, and final velocity. Time Stamps 00:00 Intro 00:25 Kinematic Equations Definition 00:44 Kinematic Equations Displacement Formula 1 01:08 Kinematic Equations Displacement Formula 2 01:26 Kinematic Equations…

Walks you through step by step how to solve direct variation and inverse variation equations. Shows you how to get the constant of variation. 🕐 Time Stamps 🕐 00:00 Intro 00:28 Variation Problems Overview 01:57 Direct Variation Problem Types 02:32 Inverses Variation Problem Types 02:57 Direct Variation Example 04:50 Inverse…

This video walks you through how to customize your LinkedIn profile URL. It also tells you why to customize your LinkedIn URL. Your LInkedIn URL is your brand. And just like you do with Twitter and Facebook, you should customize and claim a public URL. Because this is how people…

This video shows you how to calculate your grade point average (GPA) on a 4.0 scale. A+ = 4.0 A = 4.0 A- = 3.7 B+ = 3.3 B = 3.0 B- = 2.7 C+ = 2.3 C = 2.0 C- = 1.7 D+ - 1.3 D = 1.0 F…

This video walks you through the 6 cofunction identities for angles in degrees and the 6 cofunction identities for angles in radians. sine, cosine, tangent, cosecant, secant, and cotangent. You’ll also learn a real life example, as well as how to use our calculator at: https://www.mathcelebrity.com/cofunction-calculator.php

Give an angle Theta, this trigonometry video shows you how to find the Reference Angle for Theta in Degrees. It walks you through the starting angle, the quadrant location, and then the final reference angle formula based on the Quadrant.

This video shows you how to classify numbers using 4 properties: 1) Natural Numbers 2) Rational Numbers 3) Integers 4) Irrational Numbers At the end of the video, we show you the MathCelebrity calculator for how to run these tests automatically. Calculator: https://www.mathcelebrity.com/nrii.php Timestamps 00:00 Intro 00:50 Natural Number Test…

How to solve literal equations using the principle of opposites and the I.E.E. method. Literal Equations Calculator: https://www.mathcelebrity.com/literalequation.php

How to Find a Cartesian Product of 2 sets A and B using the unique ordered pair combinations from both sets. The Cartesian Product is A x B. To find the cardinality, |A x B|, we have |A| * |B|. Cartesian Product Calculator: https://www.mathcelebrity.com/cartprod.php

Walks through a Torus shape as well as how to calculate the Volume and Surface Area of a Torus using the major radius and minor radius. Calculator: https://www.mathcelebrity.com/torus.php