- 20:25, 27 January 2021 diff hist -54 Exercise 3.7Z: Rectangular Signal with Echo
- 19:52, 27 January 2021 diff hist -122 Exercise 3.7: Synchronous Demodulator
- 19:09, 27 January 2021 diff hist -184 Exercise 3.6Z: Complex Exponential Function
- 18:36, 27 January 2021 diff hist -161 Exercise 3.6: Even and Odd Time Signals
- 18:04, 27 January 2021 diff hist 0 Exercise 3.5Z: Integration of Dirac Functions
- 18:02, 27 January 2021 diff hist -138 Exercise 3.5Z: Integration of Dirac Functions
- 17:30, 27 January 2021 diff hist -266 Exercise 3.5: Differentiation of a Triangular Pulse
- 20:32, 23 January 2021 diff hist -2 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 20:32, 23 January 2021 diff hist -7 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 20:31, 23 January 2021 diff hist -41 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 20:24, 23 January 2021 diff hist -26 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 20:22, 23 January 2021 diff hist -113 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 20:11, 23 January 2021 diff hist -13 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:11, 23 January 2021 diff hist -80 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 19:48, 23 January 2021 diff hist -66 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 19:48, 23 January 2021 diff hist -4 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 19:38, 23 January 2021 diff hist 0 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 19:36, 23 January 2021 diff hist -38 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 19:10, 23 January 2021 diff hist +16 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 18:46, 23 January 2021 diff hist -69 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 22:19, 20 January 2021 diff hist -33 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 22:18, 20 January 2021 diff hist -39 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 22:14, 20 January 2021 diff hist +26 Exercise 3.3: From the Signal to the Spectrum
- 21:45, 20 January 2021 diff hist -42 Exercise 3.3: From the Signal to the Spectrum
- 21:30, 20 January 2021 diff hist -50 Exercise 3.3: From the Signal to the Spectrum
- 21:18, 20 January 2021 diff hist +19 Exercise 3.3: From the Signal to the Spectrum
- 21:06, 20 January 2021 diff hist -8 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 21:06, 20 January 2021 diff hist -23 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 20:52, 20 January 2021 diff hist -23 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 20:33, 20 January 2021 diff hist -46 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 22:47, 17 January 2021 diff hist -128 Exercise 3.2: From the Spectrum to the Signal
- 22:18, 17 January 2021 diff hist -113 Exercise 3.1Z: Spectrum of the Triangular Pulse
- 21:55, 17 January 2021 diff hist -5 Exercise 3.1Z: Spectrum of the Triangular Pulse
- 21:55, 16 January 2021 diff hist +1 Exercise 3.1: Spectrum of the Exponential Pulse
- 21:55, 16 January 2021 diff hist -79 Exercise 3.1: Spectrum of the Exponential Pulse
- 21:45, 16 January 2021 diff hist -79 Exercise 3.1: Spectrum of the Exponential Pulse
- 21:36, 16 January 2021 diff hist 0 Exercise 2.6Z: Magnitude and Phase
- 21:36, 16 January 2021 diff hist -32 Exercise 2.6Z: Magnitude and Phase
- 21:32, 16 January 2021 diff hist +2 Exercise 2.6Z: Magnitude and Phase
- 21:31, 16 January 2021 diff hist -60 Exercise 2.6Z: Magnitude and Phase
- 21:30, 16 January 2021 diff hist +12 Exercise 2.6Z: Magnitude and Phase
- 21:30, 16 January 2021 diff hist -37 Exercise 2.6Z: Magnitude and Phase
- 21:18, 16 January 2021 diff hist -170 Exercise 2.6: Complex Fourier Series
- 20:57, 16 January 2021 diff hist -37 Exercise 2.6: Complex Fourier Series
- 20:47, 16 January 2021 diff hist -58 Exercise 2.6: Complex Fourier Series
- 20:42, 16 January 2021 diff hist +1 Exercise 2.5Z: Square Wave
- 20:41, 16 January 2021 diff hist -18 Exercise 2.5Z: Square Wave
- 20:31, 16 January 2021 diff hist -27 Exercise 2.5Z: Square Wave
- 20:17, 16 January 2021 diff hist -48 Exercise 2.5Z: Square Wave
- 20:12, 16 January 2021 diff hist -91 Exercise 2.5Z: Square Wave