Practice questions with over 2600 categorized problems and detailed explanations. Track progress, compare scores with others, and select between practice or modes. Set question categories and customize preparation sessions.
Analyze petri dish images to count bacterial and fungal colonies. Automatically detect and tally colonies. Export data in CSV format. Organize and save results for future reference. Share findings via email or cloud services.
Access population, labor force, marriage, building, and organizational data through time-based reports. Generate interactive statistical reports highlighting social phenomena. Retrieve data on births, deaths, and employment.
The app performs data analysis including summary statistics, various plots, and probability calculations. It supports data import from CSV files and Dropbox, handling stacked and unstacked data.
Learn, explore, and grow with intergalactic adventures
Explore interactive space-themed lessons focused on social-emotional skills. Complete quests to build empathy and self-awareness. Track progress through visual reports. Share achievements with parents. Sync data across devices.
Check text for and spelling errors. Provide synonym suggestions and word definitions. Enable users to practice written English and refine their messages before sending.
Citizen scientists detect invasive species arrival.
The Invaders of Texas Citizen Science program collects species observations from volunteers. Volunteers use a kit to detect and report invasive plant species in their local areas.
Prepare for the 2 exam with 600+ practice questions. Review detailed descriptions, tasting notes, and regional classifications. Track progress with practice tests and exam simulations.