Tech around that time depended a lot on what was affordable. Like I had 5¼ floppies at home but school had Apple IIGS with 3.5" drives that we used for Oregon Trail.
Also wikipedia is telling me that 5.25 floppies were actually 130 mm, which would be 5.1". I guess “five and a quarter” rolls of the tongue better so they rounded up.
Tech around that time depended a lot on what was affordable. Like I had 5¼ floppies at home but school had Apple IIGS with 3.5" drives that we used for Oregon Trail.
Also wikipedia is telling me that 5.25 floppies were actually 130 mm, which would be 5.1". I guess “five and a quarter” rolls of the tongue better so they rounded up.