Seven interactive sandboxes for applied math and engineering fundamentals: calculus, matrix transformations, optimization, statics, Fourier analysis, and circuits (Bode plots). Optimized for mobile and desktop.
Derivatives and integrals with interactive plots and numerical vs analytical comparisons.
2D/3D matrix transformations: rotations, scaling, shearing, and geometric intuition.
Gradient descent family and optimizer behavior on 2D surfaces with visual feedback.
Force vectors, moments, and equilibrium checks using interactive diagrams.
Time vs frequency domain intuition, FFT-based spectrum exploration and filtering concepts.
RLC circuits, transfer functions, resonance and frequency response visualized with Bode plots.
Advanced force systems with moments and equilibrium verification for multi-force setups.