Test download and upload speeds. Measure network ping and jitter. Support mobile cellular and WiFi testing. Perform one-click tests in under 20 seconds. Display real-time connection diagrams. Track past results with charts and averages.
Calculate volumetric specific gravity by comparing the volume of a solid to a reference volume. Input measurements to determine the ratio. Save and export results for analysis.
Access class notes, guides, lecture slides, and past exams organized by course and semester. Use AI to summarize lectures, create flashcards, generate practice tests, and chat with PDFs. Join virtual sessions for real-time collaboration.
Prepare for the NREMT or State exam with tests, study guides, and a simulation exam. Access questions and explanations offline. Choose from preparation, exam, and marathon modes. Search for specific questions.
Check device health with system diagnostics. Run battery, display, and sensor tests. View live data on CPU, RAM, thermal state, and storage. Access device details like model and iOS version.
Access film test data to calculate exposure settings for traditional black and white films. Input film type and test results to determine optimal exposure. View and save exposure calculations.