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Duolingo Inc. [b] is an American educational technology company that produces learning apps and provides language certification.Duolingo offers courses on 43 languages, [5] ranging from English, French, and Spanish to less commonly studied languages such as Welsh, Irish, and Navajo, and even constructed languages such as Klingon. [6]
Duolingo features a course for Klingon, which was released on March 15, 2018 and is now in beta testing. [27] [48] [49] The Klingon Language Institute provides a Learn Klingon Online series of lessons to its members. The first few lessons are free to sample. Memrise has user-created materials on various topics. [50]
The Duolingo English Test (DET) is a standardized test of the English language designed to be internet-based rather than paper-based. DET is an adaptive test that ...
The test is accepted by more than 11,000 universities and other institutions in over 190 countries and territories. TOEFL is one of several major English-language tests worldwide, including IELTS, Pearson Test of English (PTE), Duolingo English Test, Cambridge Assessment English, and Trinity College London exams.
The company initially offered a subscription-based product intended to help students improve their grammar and spelling. [5] That product was subsequently developed into a writing assistant that checks the grammar, spelling, and tone of a piece of writing. [5] [6] [7] By 2015, Grammarly had one million active daily users. [8]
Duolingo logo. In 2009, von Ahn and his graduate student Severin Hacker began to develop Duolingo, a language education platform. They founded a company of the same name, with von Ahn as chief executive officer and Hacker as chief technology officer. In November 2011, a private beta test of Duolingo was launched and the app was released to the ...
Language-learning company Duolingo (NASDAQ: DUOL) priced its 2021 initial public offering (IPO) at $102 per share. Duolingo understands that it's important to keep learners motivated, considering ...
Through Duolingo, Hacker wants users to have the option to increase their 'stay-tuned quota' which involves adjusting the learning time and difficulty of the course. Another idea derived from Hacker's philosophy was to apply gamification to Duolingo. This was to apply game elements and principles instead of classroom learning tools to the ...
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