Showing 201–220 of 1,000 ranked alternatives.
Howard Hughes Medical Institute
Explore ancient Earth maps and climate data
Explore Earth's geological history by visualizing continents, oceans, and climate changes over billions of years. Adjust time scales to view past landscapes, track sea level shifts, and observe planetary transformations.
Cincinnati Incorporated
Calculate bend tonnage for press brakes
Calculate air bend tonnage for metal fabrication by selecting material type, thickness, and vee die opening. Determine minimum flange length and inside bend radius. Output results for use with any brand press brake.
Atlas Educational Software
Learn about with quizzes on locations, capitals, populous cities, flags, coat of arms, and country abbreviations. Customize topics and . View past results for progress tracking.
University of Arizona
Adjust ion concentrations and visualize potentials
Calculate and visualize Nernst and Goldman potentials based on user-defined ion concentrations and permeability. Adjust extracellular and intracellular concentrations of potassium, sodium, and chloride ions.
Gyronimo, LLC
Calculate flight performance metrics
Calculate weight and balance for Robinson R22 Beta and Beta II helicopters. Perform performance computations including HOGE, HIGE, max continuous power, 5-minute takeoff power, and Vne. Select between bladder or standard fuel tanks.
shebli geegieh
Track sun and positions
Calculates sun and positions with 0.3% accuracy. Determines sunrise and sunset times. Provides moonrise and moonset times. Adjusts for elevation and time zone.
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