Calculate for geometric shapes
Calculate for cube, cuboid, capsule, cone, cylinder, conical frustum, square pyramid, sphere, hemisphere, and torus. Input dimensions and select units. Display formulas used. Share results via email, social media, or messaging apps.
Showing 181–200 of 1,000 ranked alternatives.
Xiang Dong
, track progress, and master the periodic
The symbols, names, atomic numbers, and positions of all 118 through 78 levels and 36 challenges. Complete 9 modules covering element categories and a final module reviewing all . Track progress and reinforce knowledge with structured training.
MOZAIK Education Ltd.
Explore 3D scenes and learn history
Explore the history of the of through interactive 3D scenes. Learn about historical events, architecture, and artifacts. Navigate through virtual environments to discover key sites and historical details. Available in multiple languages.
NO WOO KYOUNG
, mark them, hear them
Solve word search puzzles by finding and marking on a grid. can be horizontal, vertical, or diagonal. Tap to highlight found and hear audio feedback. Use multi-touch to draw strokes. Customize pen colors through achievements.
Arch Square
Learn alphabet, numbers, animals, shapes, and colors
Learn uppercase and lowercase letters, count numbers from zero to twenty-five, identify animals with sound effects, recognize shapes, and name colors. Play quizzes to select correct answers or explore interactive activities at your own pace.
Andrei Costin
Generate tables and step-by-step logic breakdowns
Generate tables for logical formulas with step-by-step breakdowns of intermediate propositions. Input formulas to create tables and view detailed calculations of each logical step.
Sonya Marcarelli
Create molecular formulas and copy element data
Access chemical element data including atomic number, symbol, and properties. Select and copy element details. Create molecular formulas by long-pressing symbols. Calculate molecular mass. Link to Wikipedia pages for additional information.
The Trustee for Australian Museum Trust
Explore tyrannosaur facts and fossils
Explore detailed information about , including their physical features like massive skulls and powerful jaws. View images of different species and learn about their evolution over millions of years.
Roman Konasov
Calculate area of geometric shapes
Calculate of geometric shapes including square, rectangle, parallelogram, triangle, trapezium, rhombus, and circle. Choose from multiple calculation methods. Input dimensions and receive results. Save and share calculations.
OSRATOUNA LTD
Read , listen to recitations, and translate
Access Quranic text in Uthmani script recitations and . View translations in multiple languages. Learn through guided recitation and word-by-word explanations. Highlight and bookmark verses for reference. Share content via social media or email.
Max Schlee
Select , view diagrams, explore positions
Explore guitar with diagrams in all 11 fretboard positions. Select chord root, type, and variation to view options. Supports 4-string, 5-string, and 6-string basses. Displays over 8000 chord possibilities.
送 赖
Move disks between rods
Solve the Tower of Hanoi puzzle by moving disks between three rods. Move one disk at a time. Never place a larger disk on top of a smaller one. Complete the puzzle in the minimum number of moves. Track progress and reset the game.
Anatoly Weinstein
Memorize, repeat, improve skills
Memorization games help improve short-term memory and focus. Players memorize increasing numbers of objects across 15 randomized levels. Track progress through repeated gameplay. Enhance brain function by targeting the right hemisphere.
Chaney Enterprises
Calculate and order accurately
Calculate volumes for slabs, footings, walls, steps, curbs, columns, and cylinders. Provide exact amounts and recommended order quantities to account for material waste. Also calculate sand, gravel, stone, block fill, and block and mortar volumes.
Zhengzhou Sibo Intelligent Technology Co., Ltd.
Solve puzzles with 3D views
Solve puzzles by analyzing 3D shapes from front, side, and top views. Rotate and manipulate objects to match projections. Track progress and complete levels with increasing difficulty.
Mallow Technologies Private Limited
Explore formulas, search, and study
Access formulas for Physics, Chemistry, and Maths including Algebra, Analytical geometry, and Differential equations. Search and locate formulas quickly. Sync across iOS devices with device-specific UI. Update content regularly with new formulas.
Vishwesh Pratap Singh
Practice civics questions and interview simulations
Prepare for the US with 128 official civics questions updated for the 2025 USCIS . Practice answering 20 questions with 12 required to pass. Includes 2008 questions for earlier filers.
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