Most math online resources are free and a few are subscription based. All you need to become a math scholar is a computer, an internet connection, time and desire.
Key to Abbreviations:
Free = Costs nothing; may require registration with a valid email.
$ = Subscription: monthly/yearly with credit card.
Free/$ = Subscription, with limited free use.
These sites allow you to find your textbook, select the page and see the final answers, allowing you to check your answers.
Free; Register with a valid email to use.
These sites allow you to enter a given problem and have the site provide a solution, sometimes with step-by-step explanations.
Free/$; An excellent comprehensive problem solver for all levels of math.
Graphic online calculators allow you to enter a problem and see the resulting graph. A powerful learning tool.
Free; Desmos is a new company that has created a fully functional, browser-based graphing calculator. The calculator performs all of the functions you would expect to see in a graphing calculator with a couple of extras that you don't find in typical graphing calculators.
Graphic Calculator Software allow you to enter a problem and see the resulting graph. They can also do problem solving and show you step-by-step solutions. They must be downloaded and installed before use.
Free; "Microsoft Mathematics provides a graphing calculator that plots in 2D and 3D, step-by-step equation solving, and useful tools to help students with math and science studies."
This is free software for Windows only. For 64-bit machines download: MSetup_x64.exe. For 32-bit machines, download MSetup_x86.exe.
These sites give you organized instruction in the form of videos and/or webpages.
Free/$; (Intended for use with Pearson textbooks) InterAct Math is designed to help you succeed in your math course! The tutorial exercises on this site give you interactive practice doing the end-of-section exercises in your Addison-Wesley and Prentice Hall textbooks. Each exercise provides these learning aids: An interactive Guided Solution (or "Help Me Solve This!") steps you through the exercise and gives you helpful feedback if you enter an incorrect answer. A Sample Problem or ("View an Example") steps you through a problem similar to the exercise you are working on. Similar Problems that refresh with new numbers. You can retry an exercise many times and receive different numerical values each time. Your work will be tracked for only as long as you keep your browser open. Be sure to print out your results if you want to record them! To learn more about other math products from Pearson Education including MyMathLab and MathXL.
How to use his site? Click the "Enter" button and on the next page, choose a book from the drop-down list and choose the chapter... thousands of exercises, including hints. Print out your results.
Free; "Watch. Practice. Learn almost anything for free." What began as an MIT grad tutoring his cousin by making algebra videos has become a multi-million dollar non-profit education site. "With a library of over 3,000 videos covering everything from arithmetic to physics, finance, and history and 311 practice exercises, we're on a mission to help you learn what you want, when you want, at your own pace. Videos explaining arithmetic to calculus."
$; MathHelp.com is a leading digital publisher specializing in middle school, high school and college level math. Our subscription website, together with our extensive line of math apps, have provided millions of students with math tutoring, standardized test prep, and homeschooling. MathHelp.com is also revolutionizing the textbook industry with our patent-pending math iBooks textbooks for the flipped classroom.
$; To be used with a teacher, this is a great online course that helps students learn in many ways. It has videos and explanations of each math concept offered. An educator, such as high school teacher or college teacher designs the course to fit their classroom curriculum. The student logs in and does the work. The educator is then able to see if and where the student is having trouble. The course is designed to use with Pearson Publishing texts as support. An alternative is Pearson's coursecompass.com.
F; "In early 2008 an expert tutor and a designer began exploring the use of interconnected instructional videos to help confused math students. Acquired by Pearson in mid 2013, Virtual Nerd's technology and expansive library of instructional content is now available to millions of teachers and students around the world."
These sites do not fall into the above categories.
Free; "Math.com is dedicated to providing revolutionary ways for students, parents, teachers, and everyone to learn math. Combining educationally sound principles with proprietary technology, Math.com offers a unique experience that quickly guides the user to the solutions they need and the products they want. These solutions include assessment, on-demand modular courses that target key math concepts, 24/7 live online tutoring, and expert answers to math questions. In addition to solutions, Math.com offers exploratory and recreational introductions to the world of math that will lead to deeper understanding and enjoyment. The range of services, products and solutions offered makes Math.com the single source for all math needs."
Free; "Wiki-Teacher is a free resource available to Clark County School District (CCSD) teachers as well as any teacher outside of CCSD. To begin using the thousands of resources found on the site, take just few minutes to create a new account." Find lessons plans, demonstration videos and subject standards.
All work and no play makes Jack a dull boy.
Free; Lots of cool number games, but it requires a plug-in to view them: The Microworld Web Player: http://www.microworlds.com/webplayer/indexwin.html . I only learned that from using the Firefox browser (not the Internet Explorer browser) to access the site.