Showing 201–220 of 1,000 ranked alternatives.
Riyad Habash
Calculate areas and volumes of polygons
Calculate areas and volumes of various shapes including squares, rectangles, triangles, circles, and ellipses. Input dimensions to get formulas and results. View volume calculations for cubes, cylinders, cones, and spheres.
Y factory
Learn characters through recall games
Learn Chinese characters through interactive recall exercises. Review previously learned characters to build vocabulary. Access character breakdowns and stroke order guides. Track progress and revisit challenging characters for reinforcement.
NASA
Explore experiments, track results, and learn about
Explore experiments conducted on the International through videos, photos, and interactive media. Investigate completed and ongoing . Learn about microgravity's impact on scientific studies. Access detailed descriptions of experiments and facilities.
Top Line Solutions Pte. Ltd.
Learn numbers and shapes with games
Learn numbers 1 to 9 through interactive activities with geometric shapes. Identify and match shapes like square, circle, triangle, pentagon, and rectangle. Choose from English, Spanish, Russian, and other languages.
David White
Solve problems with a voltmeter
Solve 17 random problems to improve skills. Use a virtual voltmeter to test circuits. View animated motor starter diagrams for forward and reverse operations. Switch between control schematics instantly.
PalaSoftware Inc.
Compete, answer, track scores
Offers timed math quizzes with competitive scoring. Users can friends or race against the clock. Incorrect answers deduct points. Customize difficulty and problem types. Track progress and review results.
Paul Burlov
Translate runes to Latin letters
Translate Latin letters into ancient or fictional alphabets. Access Elder Futhark, Theban Witches', Danish younger Futhark, Swedish-Norwegian Rök, and Anglo-Saxon runes. Use default keyboard or included keyboard for input.
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