More Intuitive, More Informative, More Intelligent

Online Intelligent ® Graphing Calculators

Learn by reading worked-out solutions.
Get insights into math problems you specify.
Try our free Interactive Intelligent ®Graphing and Solving Calculators.

"OO MY GOD your website is perfect, just a congrats since this is the most complete free website I have ever visited!"--JCH

Intelligent ® Function Graphing Calculators: with Automatic Worked-Out Solutions for Algebra, Calculus, and PreCalculus, Including Intercepts, Domain, Range, Symmetry, Maxima & Minima, Asymptotes, Points of Inflection, Concavity, Derivatives, Discontinuities, Holes


Lines, Quadratics, Cubics
Logarithm, Exponential, Absolute Value
Trigonometric &
Hyperbolic Trig
Live Examples!


"I wanted to let you guys know that I love your website! I am very thankful that I found you guys because I was spending hours on some problems and couldn't figure out the answers to them. You guys broke the problems down in an easy way! I feel more at ease knowing that I can now do my homework." -DB, (Waukesha County Technical College)


Equation Plotting Calculators: with Table of Values for Algebra & Analytic Geometry





Lines, Parabolas
Circles, Ellipses, Hyperbolas
Figure 8
Smiley

"This is a great site! I just found it and it has been so helpful to me you wouldn't believe it! I recommend it to anyone who actually wants to see how a problem is done, not just what the answer is."--EK --College student
 

Multiple Equation Plotting Calculators: Solve Systems of Equations





Graph & Solve Systems
of Linear Equations
Plot Families
of Curves
Graph & Solve Systems of Nonlinear Equations
Find Points of Intersection

"Very useful for high school students and teachers." -- www.homeschoolmath.net
 

Inequality Graphing in 1D: Solve Inequalities in One Variable

See Examples...

    x < 5  Or  x16


"My friend and I are working on a pre calculus project and found your website extremely helpful.
Thank you for helping us."
--High School student, Wisconsin.


Inequality Graphing in 2D: Solve Inequalities in Two Variables


See Examples...

y ≤ |x|  And  y x2−2

Piecewise Function Graphing Calculators


"Your web site is extremely handy for double checking my work...excellent software!" -- Teacher,
New South Wales, Australia

Solving Quadratic Equation Solvers

Polynomial Multiplication

Polynomial Long Division

Factoring
Completing the Square
Quadratic Formula
Extracting Square Roots


This web site is the brainchild of Professor Barry Cherkas, Department of Mathematics & Statistics, Hunter College (CUNY), coauthor (with Dr. Rachael Welder) of the chapter Interactive Web-based Tools for Learning Mathematics: Best Practices appearing in the 2011 IGI Global publication, Teaching Mathematics Online: Emergent Technologies and Methodologies (edited by Drs. Angel A. Juan, Maria A. Huertas, Sven Trenholm and Cristina Steegman.)

 

       

Just like a math textbook, every once in a while we publish an error. If you
think you’ve come across an error, please let us know. We’ll get back to
you with the correct solution.

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United States Patent Numbers 7,432,926, 7,595,801, & 7,889,199.
Other Patent Pending.
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