WolframAlpha vs archive

Get the WolframAlpha app, the ultimate tool for homework and research. Whether you're in high school or college, Wolfram|Alpha is the tool you need to stay ahead of the curve. You can prepare for exams; get help with homework; and learn, explore and test your skills. Famous for math and physics, Wolfram|Alpha is also a whiz at chemistry, biology, engineering, economics, astronomy, statistics and much more. Featuring: • Step-by-step solutions: With hints, intermediate steps and methods of solving • Photo input: You can now use your camera to input math problems • Input Assistants: Our most popular course, reference and professional assistants • Thousands of domains: The most extensive topic coverage available—with more continually added—to get you to answers faster Subscription Details: Become a Wolfram|Alpha Pro member to unlock step-by-step solutions, photo input, Input Assistants and more. Payment will be charged to your iTunes account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Subscription fees are $9.99 per month or up to $59.99 per year depending on your plan. You can manage your Wolfram|Alpha Pro subscription by visiting the iTunes Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a Wolfram|Alpha Pro subscription. Privacy policy: https://www.wolfram.com/legal/privacy/wolfram Terms of use: https://www.wolframalpha.com/termsofuse

It's arXiv preprint search & PDF viewer app. All features are completely free to use. arXiv.org e-Print archive https://arxiv.org/ URL scheme: preprint:// Note: - This app uses arXiv APIs. - This app is run by an individual and has nothing to do with arXiv. Thank you to arXiv for use of its open access interoperability. --- * arXiv arXiv (pronounced "archive"—the X represents the Greek letter chi [χ]) is an open-access repository of electronic preprints and postprints (known as e-prints) approved for posting after moderation, but not peer review. It consists of scientific papers in the fields of mathematics, physics, astronomy, electrical engineering, computer science, quantitative biology, statistics, mathematical finance and economics, which can be accessed online. In many fields of mathematics and physics, almost all scientific papers are self-archived on the arXiv repository before publication in a peer-reviewed journal. Some publishers also grant permission for authors to archive the peer-reviewed postprint. Begun on August 14, 1991, arXiv.org passed the half-million-article milestone on October 3, 2008, and had hit a million by the end of 2014. As of April 2021, the submission rate is about 16,000 articles per month. Quoted from: https://en.wikipedia.org/wiki/ArXiv