Access quiz questions from a test bank, answer interactively, and receive instant feedback. Review explanations for correct and incorrect answers. Track progress through quizzes and course materials.
Access the periodic table with atomic weight, electronegativity, electron affinity, ionization energy, radius, and isotopes. Compare element properties. Search for compounds and reactions. View chemical equations and formulas.
Access terms, , and tables organized by category. Each formula includes a description and variable definitions. Prepare for tests or Olympiads by studying theory, terms, and calculations.
Calculate BTU/h capacity and determine recommended equipment types. Convert between BTU, kW, Kcal, and Tons. Check current price estimates and compare inverter versus conventional energy consumption. Unlock advanced features through in- purchases.
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
Convert across 24 categories including angle, area, energy, mass, length, speed, temperature, and more. Switch between instantly. View conversion results and history. Sync data across devices.
Allows users to study fundamental concepts of mechanics. Explore topics like atoms, particles, and energy interactions. Access clear explanations and diagrams. Track progress through interactive exercises and quizzes.
The app calculates standard resistance values for electronic circuits based on E-series numbers. It supports voltage dividers, series, parallel, and combination circuits, with options for resistance ratio or output voltage priority.
Simulate collisions with realistic physics. Visualize gravitational interactions between stars and centers. Use OpenGL point sprites for detailed rendering. Explore dynamic movements and interactions.
The app wirelessly transmits voltage, current, resistance, capacitance, and on-off measurements via Bluetooth to an iPad. It records measurements in real time and creates trend curves.