FrameCalc
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Signals & EE

Fourier, Laplace, Bode, filters, and phasors

Phasor math

Rect ↔ polar AC

RC low-pass

H(jω) Bode data

1-pole Bode

|H| and phase

1st-order Laplace

e^{-at} and unit-gain step

Tone spectrum

Sinusoid DFT bins

Nyquist check

fs vs fmax

Series impedance

R + jωL + 1/jωC

Reflection Γ

Γ = (Z-Z0)/(Z+Z0)

2nd-order plant step

Under/critical/over-damped y(t)

AM modulation

s(t)=(1+m cos)cos

FrameCalc

Refuse a wrong number. Software revenue funds independent IEC / fusor diagnostics and computation. The physics stays free; paid seats buy artifacts you can hand in.

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