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.
Identifies animal tracks and species. Users can search by track, species, or habitat. View detailed descriptions, images, and behavior notes. Download field guides and save observations for later review.
Record sightings and egg cases through citizen science projects. Submit findings with location and time details. Access identification guides for species. Share data with global research initiatives. Track progress across multiple projects.
View high-resolution images, distribution maps, and detailed descriptions of over 1300 bird species in the . Search by species name or location. Save and annotate species information for reference during birdwatching trips.
The app provides a knowledge-base for the evolutionary timescale of life. It allows exploration of divergence times among organisms using published molecular time estimates and computes summary statistics.