The NIST Digital Library of Mathematical Functions is an online reference covering special functions, organized into chapters such as algebraic and analytic methods, numerical methods, and orthogonal polynomials. It provides an index, notations, a guide to searching, permalinks and reference numbers for citing specific equations, tables and figures, and a list of software and errata.
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Nitrome is a site offering free online games, including Flash, retro, arcade, puzzle, action and skill games, with HTML5 versions of legacy titles among the collections. Its games span browser, mobile, console and PC/Mac. Twin Shot Deluxe, a platform arcade shooter, is announced for Steam, Switch and mobile with 200+ levels and 1-4 player multiplayer.
Nmovies presents an online catalogue of movies and television series with genre browsing and subtitle options.
No-Intro catalogs the best available copies of ROMs and digital games, providing DAT files for ROM managers and an online database. The site links to a wiki, forums and community channels.
OpenSA is a downloadable mod for Windows, macOS and Linux that recreates Swarm Assault, a 1999 real-time strategy game. Players control swarms of ants, beetles, spiders, scorpions or wasps, with no resources or population cap; the original campaign was recreated and multiplayer over LAN and online is included. It uses OpenRA as the game engine and supports any resolution.
Nonograms.org is a site dedicated to Japanese crosswords (nonograms), with catalogues of black and white and colour puzzles. Crosswords can be printed or solved online for free without registration. Registered users can save crosswords, and smart hints open squares following the rules of solving.
Online library catalogue for Noosa Library Service.
NormConf is an online technology conference about topics in data and machine learning that do not receive prominent attention. The 2022 event was held on 15 December, was free to attend, and all talks were recorded and shared on YouTube.
Noroff University College offers study programs in cybersecurity, programming, applied data science and digital forensics. All studies are available as online studies and OnlinePLUS, and all lectures are streamed live. It describes hands-on digital education at university and university college level.
North Carolina Central University describes itself as the nation's first public liberal arts institution for African American students and a future-focused modern university. It reports two research institutes, collaborations with Research Triangle Park industries and interdisciplinary work from business to education. It also cites 14 Division I sports and online degrees; these are the institution's own claims.
North Dakota State University describes itself as a student-focused, land-grant research university that educates students, conducts research, creates knowledge and advances technology. It offers undergraduate, graduate and online programs and states affordable access to education at a top-ranked research institution. It also lists 292 conference titles and 30 national championships since 1925.
The Northern California Earthquake Data Center is a joint project of the Berkeley Seismological Laboratory and the U.S. Geological Survey. It serves as a permanent archive and distribution center for digital data on earthquakes in central and northern California, including time series data from seismic, GPS and other geophysical sensors. Online catalogs and web services support data queries.
NotebookCast is a free online collaborative whiteboard that does not require signup to start using. It supports real-time multi-user drawing, includes built-in time-unlimited audio and video calls, and provides tools such as shape drawing, sticky notes, text editing, and screen sharing. Users can create reusable whiteboard templates, access night mode, and share whiteboards via links. A free registered account allows saving whiteboards to a personal dashboard, and the tool works on any modern browser.
NoteKnight is an online flashcard and study platform for creating, organizing, and studying flashcards via a web browser. Core features including flashcard creation, active recall-focused study modes, and public set browsing are free, with free plan limits on AI tools and image uploads. Users can import Quizlet flashcards, share set links, and print sets. A paid NOBLE subscription offers ad-free access, unlimited AI tools, image uploads, and focus mode, with no dedicated mobile app available.
NotesPlus is a note-taking app for iPad and iPhone built around Apple Pencil use. It supports importing PDF, PPT, Word, image and web link files, and offers study aids including a calculator, clock, timer, screenshot and draft tools. Online class videos from BaiduNetdisk or bilibili can be added, and notes sync through iCloud.
Notris Foes is an online gaming site for Notris-brand games, including multiplayer, single-player and nostalgic titles. Players can earn tokens and unlock enhancements and items, customize an avatar, and compete on local and global leaderboards. The site states that it is owned by the Notris developers.
NOVA presents an online catalogue of movies and television series with title search and genre browsing.
The Nova Scotia Archives acquires, preserves and makes available documentary heritage of the Province of Nova Scotia. It offers online digital collections, a library catalogue, newspapers and virtual exhibits, and its holdings include records relating to Mi'kmaq, Acadian, African Nova Scotian and Gaelic communities.
NovaPlay catalogues regional films and television dramas for online browsing and playback.
NovelArchive is a reading site for light novels, featuring serialized works, latest updates and editor selections. It includes titles such as Shadow Slave, Lord of the Mysteries and Sword Art Online volumes, and offers account creation for reading.
NovelFire is a site for reading light novel and web novel translations online for free. It covers Chinese, Japanese and Korean novels across genres, with daily updates, a search bar, rankings and lists of latest and completed novels, and no registration requirement.
NovelFull is a site for reading daily updated light novels, web novels and Chinese, Japanese and Korean novels online for free. It lists hot novels, latest releases with chapter titles and times, and genres such as action, fantasy and romance.
Novels.pl is an online novel reading site that displays an AudioBook label and a PayPal donate option. The homepage lists recent chapter updates for many novel series and asks visitors to disable their ad blocker.
NOVGO is a site for reading free novels online, offering thousands of English translated light novels, web novels, Korean novels, Chinese novels and Japanese novels that are daily updated. It lists novels with genres and chapter counts and shows latest release chapters.