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Science tools
Astronomy and more science tools, worked out in your browser. Free, with no sign-up.
Physics 1 tools
Mechanics, fields, heat, light, sound, quantum and lab work.
Astronomy and space 35 tools
Plan the night, take pictures of the sky, and work with astronomical data.
Chemistry 2 tools
Lab maths, analysis, kinetics, electrochemistry and more.
Earth sciences 1 tools
Geology in the field and the lab, from stereonets to rock ages.
Weather, ocean and climate 1 tools
Weather, air, sea, ice and water.
Molecular and cell biology 2 tools
Bench maths, sequences, proteins, cells and microbes.
Ecology and organisms 1 tools
Populations, communities, plants, animals and the brain.
- Ecology 1
Health and medicine 1 tools
Epidemiology, biostatistics and teaching calculators.
Maths, statistics and computing 2 tools
Maths, statistics, data and computer science.
Social sciences 1 tools
Psychology, language, economics, surveys and populations.
Humanities and archaeology 1 tools
Dating, archaeology, texts, heritage and music.
Research toolkit 3 tools
Figures, writing, lab planning and data for any field.