Showing 21–40 of 1,000 ranked alternatives.
An Truong
Calculate, graph, and solve equations
Solve equations, perform algebraic calculations, and graph functions. Support for multiple models including TI-83, TI-84, TI-89, Casio FX, and Sharp EL. Includes a scientific , fraction simplifier, and unit converter.
The Energy Insight Group Inc.
Track Ontario's grid hourly and plant-by-plant
Monitor Ontario's electricity grid with hourly and plant-specific data. View total generation by fuel type and drill down for hourly output details. Track imports, exports, and provincial demand in real time.
VINCENT JAMES FROOM
Track emissions, join challenges, grow a digital
Track daily footprint by logging meals, trips, and purchases manually or automatically. AI estimates emissions from receipts and habits. Join community challenges. Monitor city’s digital forest growth as emissions decrease.
SO YOU WANT TO CHANGE THE WORLD INC.
Take action on climate issues
Empower users to take action on climate change through daily habits and choices. Track personal carbon footprint, set sustainability goals, and receive personalized tips.
MakeSoil
Share food scraps, make soil together
Connect with local composting sites to drop off food scraps. Join as a Soil Maker to collect scraps from others. Track composting progress and learn about soil health. Share tips and collaborate with other community members.
Jose Bello
Track magnetic fields and detect ferromagnetic metals
Detects magnetic fields and ferromagnetic metals using the iPhone's compass. Issues a warning beep when magnetic fields are present. Identifies devices emitting radio-frequency EMF such as plugs, cell phones, and routers.
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