Explore 3D environments to visualize and understand how light behaves in non-Euclidean geometries. Navigate through interactive universes to study 3-manifolds. Use the for academic research or to gain insights into topology and cosmology.
by Jeff Weeks★ 4.826 ratingsEducationFreeData updated 2026-09-15
Calculate geometric properties for 26 shapes, planes, and solids. Input dimensions to find area, perimeter, volume, and surface area. Access formulas for triangles, polygons, circles, and 3D solids.
Teach children to identify and describe 2D through interactive games. Activities include sorting, comparing, and constructing . Learn properties like sides, corners, and line types.
The app allows users to stay connected with Rivertown Community Church. Users can watch or listen to past messages, receive push notifications, read the Bible, and view upcoming events.
Access campus events, join student groups, and engage with university resources. View announcements, message peers, and explore campus activities through a centralized platform.
Explore educational mini- designed to inspire creativity and improve cognitive skills. Play line puzzles to enhance problem-solving abilities. Navigate obstacles in Fly Up to develop hand-eye coordination.
The app provides tools for creating animated plays and designing drills with various equipment. It allows users to organize tactics by opponent, match, or training session and manage teams and players.
Explore scientific models covering topics like traffic jams and predator-prey interactions. Create and customize microworlds using text or block-based coding. Engage in discussions with other learners to share ideas and collaborate on projects.
Learn financial with , audio, video, and interactive lessons. Play games to test knowledge. Study on the go in multiple languages including Chinese and Spanish. Track progress and prepare for CPA or bookkeeping exams.
Design lenses, simulate optics, control components
Model 2D lenses and mirrors with precise control over shape and placement. Design aspheric surfaces and perform geometric ray tracing. Conduct sequential and non-sequential analysis. Calculate front and back focal lengths and principal surfaces.
Cursive and printed through tracing exercises. Worksheets include enlarged letters, arrows for writing order, and dots for starting points. Trace outlines first, then write independently.
Manage childcare operations with enrolment, billing, and scheduling tools. Track compliance and automate invoicing. Communicate with families and streamline daily tasks.
Study for licensure and entrance exams with structured modules covering key topics. Access practice questions, mock tests, and exam schedules. Track progress and receive performance analysis. Download study materials and notes for offline review.
Add your own voice to personalize the learning experience. Tap words to hear their sounds and see matching images. Drag and drop objects to match words. Complete interactive puzzles to reinforce vocabulary and recognition skills.