BetterExplained is a forum for sharing founder Kalid Azad’s "Aha!" moments on technical subjects. Through videos, diagrams, and colloquial explanations, the site explains the logic behind mathematical equations and concepts, such as imaginary numbers or Bayes' theorem.
Desmos is an incredibly fast online calculator that can graph any imaginable function. It also allows users to add sliders, do regressions, and plot whole data tables, among other things. Desmos can be used on any computer or tablet, completely free of charge, and does not even require a download.
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps.
NOVA Labs is a new digital platform where "citizen scientists" can actively participate in the scientific process. From predicting solar storms and designing renewable energy systems to tracking cloud movements and learning cybersecurity strategies, NOVA Labs participants can take part in real-world investigations by visualizing, analyzing, and sharing the same data that scientists use.
Wolfram|Alpha introduces a fundamentally new way to get knowledge and answers—
not by searching the web, but by doing dynamic computations based on a vast collection of built-in data, algorithms, and methods.