Showing 121–140 of 1,000 ranked alternatives.
Ulrich Hoensch
Compute probabilities and quantiles for statistical distributions
Calculate probabilities and quantiles for standard distributions such as normal, t, chi-squared, F, binomial, Poisson, and others. Input parameters to compute values. Export results to files.
NASA
Observe weather and share data
Track environmental observations like cloud cover, land cover, and mosquito habitats. Submit data for scientific research. Access educational resources and learn about Earth systems. Share observations with the global community.
University of Tennessee
Find healthy trees to study
Identify and tag healthy trees in local areas. Upload photos and location data for scientific research. Contribute to studies on tree resilience and forest health.
Halcyon Touch Software
Calculate and solve equations
Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.
PRESS4KIDS INC
Read articles and track current events
Read current event articles written for literacy levels 6-14. Explore science, sports, world , technology, arts, and entertainment topics. Subscribe to monthly updates. Access ad-free content. View articles at different levels. Track progress.
Bernhard Klingenberg
Bootstrap samples and permutation tests
Calculate bootstrap confidence intervals and permutation P-values for means, medians, proportions, correlation coefficients, slopes, and chi-square tests. Explore preloaded datasets interactively to understand statistical methods.
Hugo Witsel
Test math under time pressure
Test math performance under time pressure and using adaptive questions. Complete a practice phase, followed by control and phases.
Clinically Relevant Technologies
Portable expert reference for orthopedic diagnosis.
The app provides a reference tool for diagnosing musculoskeletal and orthopedic disorders. It contains a database of over 400 clinical tests with descriptions, video demonstrations, and diagnostic properties linked to medical references.
Shenzhen Mudotek Technology Company Limited
Play and KenKen puzzles
Play and KenKen puzzles in five difficulty levels. Choose between classic and KenKen modes. Access daily challenges to progress from novice to expert. Solve puzzles with varying complexity to enhance logical thinking.
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