Search elements by name, symbol, or number
Access periodic table for elements, search by name, symbol, or atomic number. View Wikipedia links for each element. Examine periodic table layouts. Balance chemical reaction equations.
Showing 701–720 of 1,000 ranked alternatives.
Hanz Meyer
Medicinal herbs and plant reference guide.
The app provides a reference guide with information on 72 medicinal herbs and plants. Each herb's description is sourced from Wikipedia, requiring an active internet connection to view and share content.
Onomaly LLC
Explore galaxies and quantify alien life.
The app provides a visual representation of the Drake Equation. Users can explore galaxies and manipulate the equation's parameters to perform thought experiments about extraterrestrial civilizations.
Tien Nguyen Viet
Track grades, timetables, and progress
Track grades, timetables, and learning progress across subjects. Input test scores with weight values to calculate accurate subject averages. Monitor academic performance over time and set progress goals. Share updates with parents or teachers.
Fedor Obraztsov
Learn code with step-by-step
Learn programming with code examples for and SQL. Access solutions for substring extraction, generalized methods, database queries, table joins, grouped data sorting, and SQL Server data types. Find curated code from books and online resources.
David Domenech
Play games, compete globally, and track rankings
Play in English or Spanish. Choose from Random Challenge, Level Progression, or Speed Race modes. Compete globally to rank as the fastest navigator. Edit and navigate Wikipedia pages with a modern, colorful interface.
CoboCards GmbH
Study with images and formulae
Create and learn with image, formula, and table support. Use the Leitner algorithm for spaced repetition. Study by status, sorted or shuffled, and evaluate answers. Flip through cards and sync progress with .com.
Rufus Robot, Inc.
Faces, identify gender, play games
To identify gender based on facial features through interactive games. Customize difficulty levels to suit different skill sets and learning styles. Practice recognizing typical and atypical features in faces.
OpenDNA Inc.
Explore art and with 5-minute content
Explore art and through curated 5-minute content. Engage in daily activities that challenge thinking. Record insights and reflections in a notepad for later review.
THOMAS HORN
Daily Civil War events and maps.
The app presents daily events from the American Civil War, including their locations on a zoomable map. It provides links to Wikipedia articles for further details on each event.
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