- 22:30, 16 January 2021 diff hist -37 Exercise 2.6Z: Magnitude and Phase
- 22:18, 16 January 2021 diff hist -170 Exercise 2.6: Complex Fourier Series
- 21:57, 16 January 2021 diff hist -37 Exercise 2.6: Complex Fourier Series
- 21:47, 16 January 2021 diff hist -58 Exercise 2.6: Complex Fourier Series
- 21:42, 16 January 2021 diff hist +1 Exercise 2.5Z: Square Wave
- 21:41, 16 January 2021 diff hist -18 Exercise 2.5Z: Square Wave
- 21:31, 16 January 2021 diff hist -27 Exercise 2.5Z: Square Wave
- 21:17, 16 January 2021 diff hist -48 Exercise 2.5Z: Square Wave
- 21:12, 16 January 2021 diff hist -91 Exercise 2.5Z: Square Wave
- 20:51, 16 January 2021 diff hist -39 Exercise 2.5: Half-Wave Rectification
- 20:41, 16 January 2021 diff hist -29 Exercise 2.5: Half-Wave Rectification
- 20:38, 16 January 2021 diff hist -62 Exercise 2.5: Half-Wave Rectification
- 20:21, 16 January 2021 diff hist -29 Exercise 2.4Z: Triangular Function
- 20:15, 16 January 2021 diff hist -96 Exercise 2.4Z: Triangular Function
- 20:07, 16 January 2021 diff hist -68 Exercise 2.4Z: Triangular Function
- 00:21, 14 January 2021 diff hist +7 Exercise 2.4: Rectified Cosine
- 00:16, 14 January 2021 diff hist -11 Exercise 2.4: Rectified Cosine
- 23:55, 13 January 2021 diff hist -75 Exercise 2.4: Rectified Cosine
- 23:49, 13 January 2021 diff hist -77 Exercise 2.4: Rectified Cosine
- 23:38, 13 January 2021 diff hist +2 Exercise 2.4: Rectified Cosine
- 23:29, 13 January 2021 diff hist -60 Exercise 2.4: Rectified Cosine
- 23:23, 13 January 2021 diff hist -14 Exercise 2.3Z: Oscillation Parameters
- 23:00, 13 January 2021 diff hist -5 Exercise 2.3Z: Oscillation Parameters
- 22:59, 13 January 2021 diff hist -15 Exercise 2.3Z: Oscillation Parameters
- 22:36, 13 January 2021 diff hist -5 Exercise 2.3Z: Oscillation Parameters
- 22:30, 13 January 2021 diff hist -10 Exercise 2.3Z: Oscillation Parameters
- 05:00, 4 January 2021 diff hist -46 Exercise 2.3: Cosine and Sine Components
- 04:37, 4 January 2021 diff hist -40 Exercise 2.3: Cosine and Sine Components
- 04:31, 4 January 2021 diff hist -47 Exercise 2.3: Cosine and Sine Components
- 04:14, 4 January 2021 diff hist -35 Exercise 2.2Z: Non-Linearities
- 03:52, 4 January 2021 diff hist +3 Exercise 2.2: DC Component of Signals
- 03:40, 4 January 2021 diff hist -58 Exercise 2.2: DC Component of Signals
- 03:22, 4 January 2021 diff hist +5 Exercise 2.2: DC Component of Signals
- 03:10, 4 January 2021 diff hist -46 Exercise 2.2: DC Component of Signals
- 03:05, 4 January 2021 diff hist -16 Exercise 2.1Z: Sum Signal
- 01:55, 27 December 2020 diff hist +33 Exercise 2.1Z: Sum Signal
- 01:44, 27 December 2020 diff hist +11 Exercise 2.1Z: Sum Signal
- 01:36, 27 December 2020 diff hist -41 Exercise 2.1Z: Sum Signal
- 01:31, 27 December 2020 diff hist -34 Exercise 2.1: Rectification
- 01:07, 27 December 2020 diff hist -49 Exercise 2.1: Rectification
- 00:57, 27 December 2020 diff hist +1 Exercise 2.1: Rectification
- 00:50, 27 December 2020 diff hist -16 Exercise 1.3Z: Calculating with Complex Numbers II
- 00:43, 27 December 2020 diff hist -22 Exercise 1.3Z: Calculating with Complex Numbers II
- 00:19, 27 December 2020 diff hist -38 Exercise 1.3Z: Calculating with Complex Numbers II
- 00:08, 27 December 2020 diff hist +16 Exercise 1.3Z: Calculating with Complex Numbers II
- 16:17, 25 December 2020 diff hist -1 Exercise 1.3: Calculating with Complex Numbers
- 16:16, 25 December 2020 diff hist -6 Exercise 1.3: Calculating with Complex Numbers
- 15:54, 25 December 2020 diff hist -12 Exercise 1.3: Calculating with Complex Numbers
- 15:49, 25 December 2020 diff hist -6 Exercise 1.3: Calculating with Complex Numbers
- 15:39, 25 December 2020 diff hist -24 Exercise 1.3: Calculating with Complex Numbers