Wolfram*Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels. We work to accept completely free-form input, and to serve as a knowledge engine that generates powerful results and presents them with maximum clarity. Energetically developed for more than a decade, Wolfram*Alpha is an ambitious, long-term intellectual endeavor that we intend will deliver ever-increasing capabilities over the years to come. With a world-class team and participation from top outside experts in countless fields, we are constantly working to create what we hope will stand as a major milestone of 21st-century intellectual achievement. In this website, it covers the topics of calculus and analysis, differential equations, statistics, chemistry, engineering, computational sciences, earth sciences, language, finances

Check calculus questions by direct entering question.*It help me to do calculation when I get problems in the calculation. it provide the answers to let me check my calculations. When I finish my exercise, I can check the answers to let me know if I am correct or not. also, it give the graph of a function. it helps me know about the shape of the function.
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