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Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.

All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. Khan Academy's materials and resources are available to you completely free of charge. Students can make use of our extensive library of content, including interactive challenges, assessments, and videos from any computer with access to the web.Coaches, parents, and teachers have unprecedented visibility into what their students are learning and doing on Khan Academy.

 

Wolfram|Alpha's long-term goal is to make all systematic knowledge immediately computable and accessible to everyone.

We aim to collect and curate all objective data; implement every known model, method, and algorithm; and make it possible to compute whatever can be computed about anything. Our goal is to build on the achievements of science and other systematizations of knowledge to provide a single source that can be relied on by everyone for definitive answers to factual queries. Wolfram|Alpha aims to bring expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.Our goal is to accept completely free-form input, and to serve as a knowledge engine that generates powerful results and presents them with maximum clarity. Wolfram|Alpha is an ambitious, long-term intellectual endeavor that we intend will deliver increasing capabilities over the years and decades to come. With a world-class team and participation from top outside experts in countless fields, our goal is to create something that will stand as a major milestone of 21st century intellectual achievement.

 

 

Kuta Software LLC is a small company based out of Rockville Maryland. We're dedicated to providing math teachers with the most useful tools possible. Years of experience in the classroom teaching math have given us valuable insight into the specific needs of today's math teachers. This experience is shown through the usefulness of the software we create. 
It is you, the teacher, who makes the difference in the classroom. Whatever your style, method, or philosophy, you need good math problems to give your students. Our products will help you create exactly the problems you need. This power frees you to teach your own way, to adapt to your individual classes and students, and to continue trying new things. Better tools. Better teaching. Better learning

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