The Math Sorcerer
Sunday, May 31, 2015
Advanced Calculus
How to Prove a Function is Uniformly Continuous
The Limit of a Sequence is Unique Proof
The Dirichlet Function is Nowhere Continuous - Advanced Calculus Proof
Find a Harmonic Conjugate of u(x, y) = y
The Zero of a Product of Polynomials Complex Analysis Proof
Graph and Domain of the Function f(x) = ln(x)/log(x)
Integral of x^2/(1 + x^2)^2 Trigonometric Substitution
The Integral of x*arcsin(x) Trigonometric Substitution
Trigonometric Substitution Integral of 1/(x*sqrt(9x^2 + 64))
Trigonometric Substitution the Integral of sqrt(1 - x)/sqrt(x)
Integral of e^x*sqrt(1 - e^(2x)) using Trigonometric Substitution
Integrate sqrt(16x^2 + 25)/x^4 using Trigonometric Substitution
Integral of 1/(49 - x^2)^(3/2) using Trigonometric Substitution
Integral of sqrt(64 - 4x^2) using Trigonometric Substitution
Trigonometric Substitution the Integral of sqrt(49 - x^2)/x
Trigonometric Substitution the Integral of sqrt(x^2 - 16)/x
Solving an Equation with the Square Root Property Easy Example
Tabular Integration the Integral of x*sin(x)
Integrating using the Tabular Method the Integral of x^2*cos(x)
Tabular Integration the Integral of x*e^(-6x)
Saturday, May 30, 2015
Integral of Exponential Function e^(bx) using Substitution
Expand ((1/2)x - 3y)^4 using Pascal's Triangle
Find the Derivative of g(x) = e^(cosh(x))
Determine if the Point is a Solution to the System of Equations Easy Exa...
Friday, May 29, 2015
Tabular Integration the Integral of 10x^3*sin(x)
Integration by Parts the Integral of t*ln(t + 5)
Tabular Integration the Integral of x^3*e^(2x)
Integration by Parts the Integral of cos(ln(x))
Integration by Parts the Integral of x*arctan(x)
Integration by Parts the Integral of arcsin(x)
Tabular Integration the Integral of 9x/e^(x)
Integrating with the Tabular Method x*cos(5x)
Integration by Parts the Integral of e^(4x)*cos(3x)
Integration by Parts the Integral of x^4*ln(x)
Solving the Equation x^2 + 4x - 7 = 0 by Completing the Square
Calculus Tabular Integration Example x^2(x - 2)^(3/2)
Thursday, May 28, 2015
How to find a Harmonic Conjugate Complex Analysis
Identity with the Complex Exponential - Complex Analysis Proof
The Complex Exponential Function f(z) = e^z is Entire Proof
How to find All Values of the Complex Logarithm Example
Compute all values of the Complex Logarithm log(i)
Wednesday, May 27, 2015
Computing the Value of Log(-i) Complex Analysis
Tuesday, May 26, 2015
A Function that is Nowhere Analytic but Complex Differentiable Proof
Computing all values of the Complex Logarithm log(1 - i)
Argument and Polar Form of a Complex Number Example and Explanation
Solving the Quintic Equation z^5 + 32 = 0 - Complex Analysis
The Most General Harmonic Polynomial of the Form ax^2 + bxy + cy^2
Verifying Laplace's Equation for a Complex Valued Function
How to Find the Argument and Polar Form of a Complex Number
Monday, May 25, 2015
How to Prove a Function is Entire - Complex Analysis
How to find the Potential Function in a Conservative Vector Field
Calculus Limit with Difference of Cubes Formula
Inverse of a 2 x 2 Matrix with Formula
Inverse of a 2 x 2 Matrix with Formula
Evaluate the Algebra Expression Example
How to Convert Fahrenheit to Celsius
Write the Expression Without Absolute Values Example
How to Create a Random Sample using StatCrunch
How to Create a Scatter Plot in Statcrunch
Computing the P-Value using the Test Statistic and StatCrunch in a Right...
Computing the P-Value using the Test Statistic and StatCrunch in a Right...
Critical Value using StatCrunch for a Left Tailed Hypothesis Z-Test
Critical Value using StatCrunch for a Right Tailed Hypothesis Z-Test
How to use the Poisson Calculator in StatCrunch to Compute Probabilities
How to Create a Pareto Chart in StatCrunch
How to Find the Mode in StatCrunch
Computing the P-Value using the Test Statistic in a Left Tailed T-Test w...
How to Create a Dot Plot in StatCrunch
How to use StatCrunch for Combinations
How to use the Binomial Calculator to Compute Probabilities in StatCrunch
Critical Values for a Two Tailed Hypothesis T-Test in StatCrunch
Confidence Interval for the Mean using StatCrunch and Z-Stats
Z-Stats Confidence Interval for the Mean Using StatCrunch
T-Stats Confidence Interval for the Mean using StatCrunch
Sample Size for a Confidence Interval for a Mean using StatCrunch
Confidence Interval for a Population Proportion using StatCrunch
Critical Values for a Two Tailed Hypothesis Z Test using StatCrunch
Confidence Interval for a Mean using T and StatCrunch
Sample Size for a Confidence Interval for a Proportion in StatCrunch
P-Value and Test Statistic for a Two Sample Hypothesis T Test using Stat...
Confidence Interval for a Proportion in StatCrunch
StatCrunch Normal Probability Calculator Example
How to find Percentiles with the Normal Distribution in StatCrunch
StatCrunch Probability with Normal Distribution and Central Limit Theore...
How to use StatCrunch for Permutations
How to Compute Probabilities with the Normal Calculator in StatCrunch
P-value and Test Statistic for Hypothesis Test with Two Proportions in S...
StatCrunch Normal Probability Problem
Critical Value for a Left Tailed Hypothesis T-Test using StatCrunch
P-value and Test Statistic for a One Sample Hypothesis Test with T in St...
StatCrunch Normal Probability Harder Example
Cut-off Value with Statcrunch and Normal Distribution
Computing the P-Value using the Test Statistic in a Left-Tailed T Test i...
Permutations in StatCrunch Example
Pie Chart in Statcrunch
StatCrunch Normal Probability Example
Confidence Interval for a Percentage Using StatCrunch
P-value and Test Statistic for a Two Sample Z Hypothesis Test in StatCrunch
Confidence Interval for Two Means using T and Statcrunch
Confidence Interval for Two Proportions in StatCrunch
Sunday, May 24, 2015
Cut-off Value in Statcrunch using the Normal Distribution
Computing Normal Probabilities in StatCrunch Easy Example
How to find Unit Vector Orthogonal to other Vectors
Using Calculus and Hooke's Law to Compute Work Harder Example
If a Polynomial has a Zero of Order m, it's Derivative has a Zero of Ord...
Center of Mass One Dimensional Case Example and Explanation
Center of Mass(Center of Gravity) Two Dimensional Case
StatCrunch
Stemplot(Stem and Leaf Display) in StatCrunch
Mean, Standard Deviation, and Variance in StatCrunch
Least Squares Line, Linear Correlation Coefficient, and Coefficient of ...
Finding Percentiles using StatCrunch
Coefficient of Variation in StatCrunch
Boxplot and Five Number Summary in StatCrunch
Saturday, May 23, 2015
How to Use Hooke's Law for Springs and Calculus to Compute Work
Calculus Computing Work using Hooke's Law for Springs Easy Example
Center of Mass Explanation and Example Point Masses on the x-axis
Disk, Washer, and Shell Method
Determine if the Vector Field F(x, y) = (2y/x)i - (x^2/y^2)j is Conserva...
Shell Method Volume of Solid y = 4 - x^2, y = 0, x = 0 about y-axis
Shell Method Volume of Solid x + y = 4, y = x, y = 0 about x-axis
Shell Method Volume of Solid y = (x - 1)(x - 3)^2, y = 0, about y-axis
Disk(Washer) Method Volume of Solid y = x, y = 3, x = 0 about y = 4
Disk(Washer) Method Volume of Solid y = 2x^2, y = 0, x = 2, about y-axis
Friday, May 22, 2015
Shell Method Volume of Solid y = -x + 2, x = 0, y = 0, about x = 2
Disk Method Volume of the Solid y = sqrt(16 - x^2), x = 0, y = 0, about ...
Volume of Solid using Disk Method y = 4 - x^2, x = 0, y = 0 about x-axis
Homogeneous Differential Equation (x - y)dx + xdy = 0
How to Write a Complex Number in Trigonometric(Polar) Form
How to Determine the End Behavior of a Polynomial Function
How to use the Horizontal Line Test
Write the Complex Number -4i in Trigonometric(Polar) Form
Multiplying Complex Numbers in Polar(Trigonometric) Form [6cis(2pi/3)]*[...
Write 3i in Polar(Trigonometric) Form
Solving x^2 + 4x + 3 = 0 by Factoring
Vertex and Axis of Symmetry of f(x) = -2(x + 4)^2 - 11
Thursday, May 21, 2015
Integration with Inverse Trigonometric Functions
Determine if the Vector Field F(x,y) = 5y^3i + 15xy^2j is Conservative
Write -2 in Polar(Trigonometric) Form
Write -2 in Polar(Trigonometric Form)
How to Find the Vertex and Axis of Symmetry of a Parabola
Determine the End Behavior of f(x) = 2x^6 + x^5 - x^2 + 2010
How to Compute the Cross Product of Vectors
Determine if F(x, y) = (1/(xy))(yi - xj) is a Conservative Vector Field
How to find the Modulos(Magnitude) of a Complex Number
Wednesday, May 20, 2015
How to use the Vertical Line Test
How to Divide using Synthetic Division
Cramer's Rule Example
Tuesday, May 19, 2015
How to Divide Complex Numbers in Trigonometric(Polar) Form
How to Graph an Absolute Value Function and Find Intercepts
Sunday, May 17, 2015
How to Prove a Set is a Group
Every Nonzero Prime Ideal in a Principal Ideal Domain is Maximal Proof
The Conjugation Map is an Automorphism Proof
Every Finite Integral Domain is a Field Proof
Saturday, May 16, 2015
A Commutative Ring with 1 is a Field iff it has no Proper Nonzero Ideals...
A Ring is Commutative iff (a - b)(a + b) = a^2 - b^2 Proof
Idempotent Elements in an Integral Domain Proof
Inverse of 3 x 3 Matrix Example
Table Probability with Addition Rule
Matrix Multiplication Example
Equation of Tangent Line to f(x) = sinh(9 - x^2) at (3, 0)
Determinant of a 3 x 3 Matrix Using Cofactor(Laplace) Expansion
Derivative of f(x) = sinh(cosh(tanh(x/2)))
Limit as x approaches zero of sin(3x)/(2x)
First Derivative Test Relative Extrema of f(x) = arctan(x) - arctan(x - 5)
Friday, May 15, 2015
Every Boolean Ring is Commutative
Every Boolean Ring is of Characteristic 2
Triangle Inequality for Real Numbers Proof
Linear Differential Equation cos(x)dy/dx sin(x)y = 1
Thursday, May 14, 2015
Exact Differential Equation (tan(x) - sin(x)sin(y))dx + cos(x)cos(y)dy = 0
Wednesday, May 13, 2015
Solving the Separable Differential Equation dP/dt = P^2 - P
Integral of 1/sqrt(-x^2 - 4x) by completing the square
Factoring Sum of Cubes x^3 + 27
Domain of Natural Logarithm Function f(x) = ln(x + 2)
Factor by Grouping x^3 + x^2 - 2x - 2
Factoring Difference of Cubes x^3 - 8
Antiderivative of 4/(xsqrt(16 - (lnx)^2)) using Inverse Sine
Antiderivative of t/(t^4 + 9) using inverse tangent
Integral of sec^2(x)/sqrt(1 - tan^2(x)) using the arcsine function
Integral of e^(2x)/(81 + e^(4x)) using the arctangent function
Integral of (x - 4)/((x 2)^2 16) using the Inverse Tangent
Tuesday, May 12, 2015
Integral of (x + 5)/sqrt(16 - (x - 4)^2) using Inverse Sine
Indefinite Integral of sinx/(6 + (cosx)^2) using Inverse Tangent
Indefinite Integral of 5t/sqrt(1 - 25t^2) using arcsine
Indefinite Integral of 1/(81 + (x - 2)^2) using arctangent
Indefinite Integral of 25/(1 + 25x^2) using arctangent
Indefinite Integral of 1/sqrt(13 - x^2)
Saturday, May 2, 2015
Every Convergent Sequence is Cauchy Proof
Every Cauchy Sequence is Bounded Proof
Friday, May 1, 2015
How to Write a Delta Epsilon Proof
Linear Algebra Determinant Proof det(A^(-1)) = (detA)^(-1)
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