Solve definite and indefinite integrals with ease using our free online calculator. Calculate double and triple integrals and get step by step explanation for each solution.

Solve definite and indefinite integrals with ease using our free online calculator. Calculate double and triple integrals and get step by step explanation for each solution.

CrossCalc is day to day Scientific Calculator that can be used on all your devices. It respects your privacy and does not show any ads.




A image to image translation tool, using AI technology, to instantly translate text from images, photos & pictures into 100+ languages, accurate and fast, keep the original text layout and style.




Try R is an online course created by Code School to learn R (programming language) interactively.


WordListHub.com is a web application for creating word lists and learning languages through playing games.
A collection of really good online calculators for use in every day domestic and commercial use.




Nutshell is a cutting-edge YouTube summarizer app that harnesses the power of artificial intelligence to provide concise and accurate video summaries in any language. With Nutshell, users can effortlessly consume lengthy videos, such as lectures, interviews, and news updates...




Lexicum is a tool that helps you expand your foreign language vocabulary by providing exercises and vocabulary-based social exchange. It helps both learners attending a language class, and experienced speakers that casually encounter a new word.




LITIengine is a free and open-source 2D Game Engine that lets you create tile-based games with plain Java. LITIengine natively supports all common desktop operating systems, maintaining high portability due to the absence of external libraries.




This Zotero plugin allows the user to automatically generate bibliographies (as well as in-text citations and footnotes) for LibreOffice and OpenOffice. It allows the user to insert a new in-text citation into a manuscript, and the bibliography will be automatically updated to...



Solace is a fully open-sourced multilingual support and knowledge exchange platform written in Python.
The language portal bab.la is a free online platform for language lovers. We have 40 dictionaries for 28 languages, a language forum, vocabulary lessons, language games, quizzes, verb conjugation for 12 languages, phrase books for university, business or travel, an internship...


PDL ("Perl Data Language") gives standard Perl the ability to compactly store and speedily manipulate the large N-dimensional data arrays which are the bread and butter of scientific computing.



iFlash is a virtual flash-card program built for Mac OS X. If you want to learn almost anything, from a foreign language to the ten-codes police officers use, iFlash is for you.




TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, functions for converting between degrees and...



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Literacy Arcade is a free website with science of reading–aligned games and teacher tools for K–5 phonemic awareness, phonics, fluency, vocabulary, and comprehension instruction.




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