- 19:51, 16 January 2021 diff hist -39 Exercise 2.5: Half-Wave Rectification
- 19:41, 16 January 2021 diff hist -29 Exercise 2.5: Half-Wave Rectification
- 19:38, 16 January 2021 diff hist -62 Exercise 2.5: Half-Wave Rectification
- 19:21, 16 January 2021 diff hist -29 Exercise 2.4Z: Triangular Function
- 19:15, 16 January 2021 diff hist -96 Exercise 2.4Z: Triangular Function
- 19:07, 16 January 2021 diff hist -68 Exercise 2.4Z: Triangular Function
- 23:21, 13 January 2021 diff hist +7 Exercise 2.4: Rectified Cosine
- 23:16, 13 January 2021 diff hist -11 Exercise 2.4: Rectified Cosine
- 22:55, 13 January 2021 diff hist -75 Exercise 2.4: Rectified Cosine
- 22:49, 13 January 2021 diff hist -77 Exercise 2.4: Rectified Cosine
- 22:38, 13 January 2021 diff hist +2 Exercise 2.4: Rectified Cosine
- 22:29, 13 January 2021 diff hist -60 Exercise 2.4: Rectified Cosine
- 22:23, 13 January 2021 diff hist -14 Exercise 2.3Z: Oscillation Parameters
- 22:00, 13 January 2021 diff hist -5 Exercise 2.3Z: Oscillation Parameters
- 21:59, 13 January 2021 diff hist -15 Exercise 2.3Z: Oscillation Parameters
- 21:36, 13 January 2021 diff hist -5 Exercise 2.3Z: Oscillation Parameters
- 21:30, 13 January 2021 diff hist -10 Exercise 2.3Z: Oscillation Parameters
- 04:00, 4 January 2021 diff hist -46 Exercise 2.3: Cosine and Sine Components
- 03:37, 4 January 2021 diff hist -40 Exercise 2.3: Cosine and Sine Components
- 03:31, 4 January 2021 diff hist -47 Exercise 2.3: Cosine and Sine Components
- 03:14, 4 January 2021 diff hist -35 Exercise 2.2Z: Non-Linearities
- 02:52, 4 January 2021 diff hist +3 Exercise 2.2: DC Component of Signals
- 02:40, 4 January 2021 diff hist -58 Exercise 2.2: DC Component of Signals
- 02:22, 4 January 2021 diff hist +5 Exercise 2.2: DC Component of Signals
- 02:10, 4 January 2021 diff hist -46 Exercise 2.2: DC Component of Signals
- 02:05, 4 January 2021 diff hist -16 Exercise 2.1Z: Sum Signal
- 00:55, 27 December 2020 diff hist +33 Exercise 2.1Z: Sum Signal
- 00:44, 27 December 2020 diff hist +11 Exercise 2.1Z: Sum Signal
- 00:36, 27 December 2020 diff hist -41 Exercise 2.1Z: Sum Signal
- 00:31, 27 December 2020 diff hist -34 Exercise 2.1: Rectification
- 00:07, 27 December 2020 diff hist -49 Exercise 2.1: Rectification
- 23:57, 26 December 2020 diff hist +1 Exercise 2.1: Rectification
- 23:50, 26 December 2020 diff hist -16 Exercise 1.3Z: Calculating with Complex Numbers II
- 23:43, 26 December 2020 diff hist -22 Exercise 1.3Z: Calculating with Complex Numbers II
- 23:19, 26 December 2020 diff hist -38 Exercise 1.3Z: Calculating with Complex Numbers II
- 23:08, 26 December 2020 diff hist +16 Exercise 1.3Z: Calculating with Complex Numbers II
- 15:17, 25 December 2020 diff hist -1 Exercise 1.3: Calculating with Complex Numbers
- 15:16, 25 December 2020 diff hist -6 Exercise 1.3: Calculating with Complex Numbers
- 14:54, 25 December 2020 diff hist -12 Exercise 1.3: Calculating with Complex Numbers
- 14:49, 25 December 2020 diff hist -6 Exercise 1.3: Calculating with Complex Numbers
- 14:39, 25 December 2020 diff hist -24 Exercise 1.3: Calculating with Complex Numbers
- 14:18, 25 December 2020 diff hist -3 Exercise 1.3: Calculating with Complex Numbers
- 14:09, 25 December 2020 diff hist -2 Exercise 1.2Z: Puls Code Modulation
- 14:05, 25 December 2020 diff hist +2 Exercise 1.2Z: Puls Code Modulation
- 14:00, 25 December 2020 diff hist -66 Exercise 1.2Z: Puls Code Modulation
- 13:55, 25 December 2020 diff hist -2 Exercise 1.2: Signal Classification
- 13:47, 25 December 2020 diff hist +23 Exercise 1.1Z: ISDN Connection
- 13:44, 25 December 2020 diff hist +12 Exercise 1.1: Music Signals
- 13:40, 25 December 2020 diff hist -9 Exercise 1.2Z: Puls Code Modulation
- 13:25, 25 December 2020 diff hist +1 Exercise 1.2Z: Puls Code Modulation
