![File:Vintage Radio Shack TRS-80 Pocket Computer, Model PC-4, Cat. No. 26-3650, With Cassette Interface, Made in Japan (12243261263).jpg - Wikimedia Commons File:Vintage Radio Shack TRS-80 Pocket Computer, Model PC-4, Cat. No. 26-3650, With Cassette Interface, Made in Japan (12243261263).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/4c/Vintage_Radio_Shack_TRS-80_Pocket_Computer%2C_Model_PC-4%2C_Cat._No._26-3650%2C_With_Cassette_Interface%2C_Made_in_Japan_%2812243261263%29.jpg)
File:Vintage Radio Shack TRS-80 Pocket Computer, Model PC-4, Cat. No. 26-3650, With Cassette Interface, Made in Japan (12243261263).jpg - Wikimedia Commons
![Paul Rickards on Twitter: "Say 10 PRINT “Hello, World!” to my new Radio Shack TRS-80 PC-2 pocket computer with printer cassette docking interface. Has BASIC and “2640-character program and data memory”— so Paul Rickards on Twitter: "Say 10 PRINT “Hello, World!” to my new Radio Shack TRS-80 PC-2 pocket computer with printer cassette docking interface. Has BASIC and “2640-character program and data memory”— so](https://pbs.twimg.com/media/EJb1YyUXkAMhvYc.jpg)
Paul Rickards on Twitter: "Say 10 PRINT “Hello, World!” to my new Radio Shack TRS-80 PC-2 pocket computer with printer cassette docking interface. Has BASIC and “2640-character program and data memory”— so
![File:Vintage Radio Shack TR-80 Pocket Computer, Model PC-3, Cat. No. 26-3590, Made in Japan, Circa the 1980s (8714272088).jpg - Wikimedia Commons File:Vintage Radio Shack TR-80 Pocket Computer, Model PC-3, Cat. No. 26-3590, Made in Japan, Circa the 1980s (8714272088).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/2c/Vintage_Radio_Shack_TR-80_Pocket_Computer%2C_Model_PC-3%2C_Cat._No._26-3590%2C_Made_in_Japan%2C_Circa_the_1980s_%288714272088%29.jpg)