Learn phonics through staged lessons with illustrated stories featuring Tim and Pip. Tap words to hear their sounds and see them highlighted as stories are read aloud. Practice letter recognition and sound matching with interactive activities.
Build and simulate linear AC and DC circuits by dragging and rotating components. Calculate steady-state voltages and currents. View real-time DC current flow and review results with detailed analysis. Export schematics and solution data.
Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.
