Maths Software

Online mathematical software in the form of apps to explore and gain deep understanding of topics in mathematics including calculus, precalculus, geometry, trigonometry and statistics.

Functions

  • Linear Functions. A tutorial to explore the graphs, domains and ranges of linear functions.
  • Graph, Domain and Range of Common Functions. A tutorial using a large window app to explore the graphs, domains and ranges of some of the most common functions used in mathematics.
  • Quadratic Functions (general form). Quadratic functions and the properties of their graphs such as vertex and x and y intercepts are explored interactively using an app.
  • Quadratic Functions(standard form). Quadratic functions in standard form f(x) = a(x - h) 2 + k and the properties of their graphs such as vertex and x and y intercepts are explored, interactively, using an app.
  • Even and Odd Functions. Graphical, using app, and analytical tutorials on even and odd functions.
  • Periodic Functions. Use app to explore periodic functions.
  • Definition of the Absolute Value. The definition and properties of the absolute value function are explored interactively using an app. The properties of basic equations and inequalities with absolute value are included.
  • Absolute Value Functions. Absolute value functions are explored, using an app, by comparing the graphs of f(x) and h(x) = |f(x)|.
  • Exponential Functions. Exponential functions are explored, interactively, using an app. The properties such as domain, range, horizontal asymptotes, x and y intercepts are also investigated. The conditions under which an exponential function increases or decreases are also investigated.
  • Find Exponential Function Given its Graph.It is a tutorial that complements the above tutorial on exponential functions. A graph is generated and you are supposed to find a possible formula for the exponential function corresponding to the given graph.
  • Logarithmic Functions. An interactive large screen app is used to explore logarithmic functions and the properties of their graphs such domain, range, x and y intercepts and vertical asymptote.
  • Gaussian Function. The Gaussian function is explored by changing its parameters.
  • Logistics Function. The logistics function is explored by changing its parameters and observing its graph.
  • Compare Exponential and Power Functions. Exponential and power functions are compared interactively, using an app. The properties such as domain, range, x and y intercepts, intervals of increase and decrease of the graphs of the two types of functions are compared in this activity.
  • Rational Functions. Rational functions and the properties of their graphs such as domain, vertical and horizontal asymptotes, x and y intercepts are explored using an app. The investigation of these functions is carried out by changing parameters included in the formula of the function.
  • Graphs of Hyperbolic Functions. The graphs and properties such as domain, range and asymptotes of the 6 hyperbolic functions: sinh(x), cosh(x), tanh(x), coth(x), sech(x) and csch(x) are explored using an app.
  • One-To-One functions. Explore the concept of one-to-one function using an app. Several functions are explored graphically using the horizontal line test.
  • Inverse Function Definition. The inverse function definition is explored using apps. The conditions under which a function has an inverse are also explored.
  • Inverse Functions. A large window app helps you explore the inverse of one to one functions graphically. The exploration is carried out by changing parameters included in the functions.
  • Explore graphs of functions. This is an educational software that helps you explore concepts and mathematical objects by changing constants included in the expression of a function. The idea is to introduce constants ( up to 10) a, b, c, d, f, g, h, i, j and k into expressions of functions and change them manually to see the effects graphically then explore.


Graph Transformations

  • Horizontal Shifting. an app helps you explore the horizontal shift of the graph of a function.
  • Vertical Shifting. an app that allows you to explore interactively the vertical shifting or translation of the graph of a function.
  • Horizontal Stretching and Compression. This app helps you explore the changes that occur to the graph of a function when its independent variable x is multiplied by a positive constant a (horizontal stretching or compression).
  • Vertical Stretching and Compression. This app helps you explore, interactively, and understand the stretching and compression of the graph of a function when this function is multiplied by a constant a.
  • Reflection of Graphs In x-axis. This is an app to explore the reflection of graphs in the x-axis by comparing the graphs of f(x) (in blue) and h(x) = -f(x) (in red).
  • Reflection of Graphs In y-axis. This is an app to explore the reflection of graphs in the y-axis by comparing the graphs of f(x)(in blue) and h(x) = f(-x) (in red).
  • Reflection Of Graphs Of Functions. This is an app to explore the reflection of graphs in the y axis and x axes. Graphs of f(x), f(-x), -f(-x) and -f(x) are compared and discussed.


Calculus


Equations of Lines and Slope

  • Slope of a Line. The slope of a straight line, parallel and perpendicular lines are all explored interactively using an app.
  • General Equation of a Line: ax + by = c. Explore the graph of the general linear equation in two variables that has the form ax + by = c using an app.
  • Slope Intercept Form Of The Equation Of a Line. The slope intercept form of the equation of a line is explored interactively using an app. The investigation is carried out by changing parameters m and b in the equation of a line given by y = mx + b.
  • Find Equation of a Line - app. an app that generates two lines. One in blue that you can control by changing parameters m (slope) and b (y-intercept). The second line is the red one and it is generated randomly. As an exercise, you need to find an equation to the red line of the slope intercept form y = mx + b.


Equation of Parabola

  • Construct a Parabola. an app to construct a parabola from its definition.
  • Equation of Parabola. an app to explore the equation of a parabola and its properties. The equation used is the standard equation that has the form (y - k) 2 = 4a(x - h)
  • Find Equation of Parabola - app. an app that generates two graphs of parabolas. As an exercise, you need to find an equation to the red parabola.


Equation of Conics

  • Equation of a Circle. an app to explore the equation of a circle and the properties of the circle. The equation used is the standard equation that has the form (x - h) 2 + (y - k) 2 = r 2.
  • Find Equation of Circle - app. This is an app that generates two graphs of circles. The equations of these circles are of the form (x - h) 2 + (y - k) 2 = r 2. You can control the parameters of the blue circle by changing parameters h, k and r. The second circle is the red one and it is generated randomly. As an exercise, you need to find an equation to the red circle.
  • Equation of an Ellipse. This is an app to explore the properties of the ellipse given by the following equation (x - h) 2 / a 2 + (y - k) 2 / b 2 = 1.
  • Equation of Hyperbola. The equation and properties of a hyperbola are explored interactively using an app. The equation used has the form x 2/a 2 - y 2/b 2 = 1 where a and b are positive real numbers.


Systems Of Equations

  • Systems of Linear Equations - Graphical Approach. This large window app helps you explore the solutions of 2 by 2 systems of linear equations. Polar Coordinates And Equations
  • Polar Coordinates and Equations. The graphs of some specific polar equations are explored using app. You can also plot your own points generated using the polar equation under investigation. Polynomials
  • Multiplicity of Zeros and Graphs of Polynomials. A large screen app helps you explore the effects of multiplicities of zeros on the graphs of polynomials the form f(x) = a(x-z1)(x-z2)(x-z3)(x-z4)(x-z5).
  • Polynomial Functions. This page contains a large window app to help you explore polynomials of degrees up to 5 : f(x) = a x^5 + b x^4 + c x^3 + d x^2 + e x + f.


Matrix Multiplication


Geometry


Trigonometry

  • Angle in Trigonometry. Understand the definition and properties of an angle in standard position
  • Periods Of Trigonometric Functions. The periods of all 6 trigonometric functions are explored interacatively using an app.
  • Sine Function. The sine function f(x) = a*sin(bx+c)+d is explored, interactively, using a large app.
  • Cosine Function. an app helps you explore the general cosine function f(x) = a*cos(bx + c) + d.
  • Tangent Function. The tangent function f(x) = a*tan(bx+c)+d and its properties such as graph, period, phase shift and asymptotes by changing the parameters a, b, c and d are explored interactively using an app.
  • Secant Function. The secant function f(x) = a*sec(bx+c)+d and its properties such as period, phase shift, asymptotes domain and range are explored using an interactive app by changing the parameters a, b, c and d.
  • Cosecant Function. The cosecant function f(x) = a * csc ( b x + c) + d and its period, phase shift, asymptotes, domain and range are explored using an app.
  • Cotangent Function. The cotangent function f(x) = a * cot ( b x + c) + d is explored along with its properties such as period, phase shift, asymptotes, domain and range.
  • Graphs of Basic Trigonometric Functions. The graphs and properties such as domain, range, vertical asymptotes of the 6 basic trigonometric functions: sin(x), cos(x), tan(x), cot(x), sec(x) and csc(x) are explored using an app.
  • Sum of Sine and Cosine Functions. An interactive tutorial to explore the sums involving sine and cosine functions such as f(x) = a*sin(bx)+ d*cos(bx).
  • Trigonometric Equations and the Unit Circle. The solutions of the trigonometric equation sin(x) = a, where a is a real number are explored using an app. Both the graph of sin(x)and the unit circle are used to explore the solutions of this equation as a changes.
  • Unit Circle And The Trigonometric Functions sin(x), cos(x) and tan(x). Using the unit circle, you will be able to explore and gain deep understanding of some of the properties, such as domain, range, asymptotes (if any) of the trigonometric functions.
  • Inverse Trigonometric Functions. Inverse trigonometric functions are explored interactively using an app.
  • Graph, Domain and Range of Arctan function. The graph of the inverse trigonometric function arctan and its properties are explored using an app.
  • Graph, Domain and Range of Arcsin function. The graph and the properties of the inverse trigonometric function arcsin are explored using an app.


Statistics

  • Boxplots in Statistics A tutorial that uses an interactive app to examine the relationship between data distribution and the properties (box widths and whiskers) of the corresponding boxplot.
  • Properties of the Normal Distribution Curve An interactive tutorial using an app to explore the effects of the mean and standard deviation on the graph of a normal distribution.

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