8-Bit Show And Tell | How Many Commodore 1581 Disk Drives? The German Tank Problem @8_Bit | Uploaded August 2020 | Updated October 2024, 9 hours ago.
Perifractic asks how many 1581 disk drives were sold, and Facebook group members of "Commodore 64/128" answer with photos of their disk drive serial numbers.

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Ending music is "Bit Pair" by Bedford Level Experiment, from the album "Living Here In The Future": bedfordlevelexperiment.bandcamp.com/album/living-here-in-the-future

1581 Serial Numbers Spreadsheet: docs.google.com/spreadsheets/d/1n6Y8h68BaSaLpueSVqrsrzfD5US1TJexpwFYLVVPp88
German Tank Problem implementation:
8bitshowandtell.com/prg/tank1581.d64

German Tank Problem: en.wikipedia.org/wiki/German_tank_problem
How Many C64s? pagetable.com/?p=547
Perifractic: youtube.com/channel/UC6gARF3ICgaLfs3o2znuqXA
Doug @ 10 Minute Amiga Retro Cast: youtube.com/channel/UCSWXB7cc8mAtCjK8iXAJc1A
Jim 64's Stupid PET Tricks: youtu.be/PJrEYils4D8
Photos of World of Commodore 2008: lyonlabs.org/commodore/woc-2008/woc-2008.html

Index:
0:00 The German Tank Problem
2:35 Collecting 1581 Serial Numbers
5:45 Into The Spreadsheet
7:28 Using C64 BASIC to calculate a few estimates
10:27 Walk through the BASIC code
14:11 Reminder about the links, and thanks!