Amortization Calculator

Simulate loans and compute payments, interest and terms with clear charts.

Digital Filters

Design and compare low-pass, high-pass, band-pass and notch filters with Bode responses and cutoff/Q control.

Fourier Visualizer

Play with phasors, frequencies and amplitudes to see time-domain signals.

Lighting Control DMX

Design and compare low-pass, high-pass, band-pass and notch filters with Bode responses and cutoff/Q control.

Automatic Control

Simula lazo abierto y lazo cerrado y visualiza la respuesta del sistema para entender estabilidad y error estacionario.