Did you ever want a cassette recorder with a built-in clock and calculator? Me neither. But somebody at Contec did, and came up with this...
Oddware: Contec 3-in-1 cassette recorder/clock/calculator
Cassettes - better than you don't remember
Two and a Half Walkmen - old & new Sony cassette Walkman
1984 Emerson clock TV/radio
Aiwa 880 CS Stereo Radio Cassette Recorder 2-Band CS-880 CS-880U Boombox
How Sony's Betamax lost to JVC's VHS Cassette Recorder
2003 Sony CD/MP3/ATRAC3+/AM/FM/TV/WB Walkman
easiest turntable setup EVER