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My Collection

ClausB

By ClausB

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Calculators:

197? Sperry Remington 663
1973 HP 45
197? TI SR-50
197? Bowmar MX100
197? Bowmar MX140
1977 TI SR-51-II
1978 TI SR-40

Programmable Calculators: ... [ RAM ROM Bus ]

1973 HP 65 ... [ 0.19K 3.8K ?MB/s ]
1976 TI SR-52 ... [ 0.52K 5.0K 0.1MB/s ]
1976 TI SR-56 ... [ 0.30K 3.5K 0.1MB/s ]
197? Sinclair Cambridge Programmable ... [ 0.05K 1.5K ?MB/s ]
1977 HP 25 ... [ ?K ?K ?MB/s ]
1977 TI-58 + PC-100A printer ... [ 0.63K 15K 0.1MB/s ]
1977 TI-58S (case mod + Li ion battery in 2010) ... [ 0.63K 15K 0.1MB/s ]
1978 TI-59 ... [ 1.10K 15K 0.1MB/s ]
1978 HP 33E ... [ 0.16K ?K ?MB/s ]
1978 TI-57 ... [ 0.16K 3.3K 0.1MB/s ]
1979 TI MBA ... [ 0.16K 3.3K 0.1MB/s ]
1980 TI-55 (NiMH battery mod in 2010) ... [ 0.16K 3.3K 0.1MB/s ]
1980 HP 41C + quad RAM + card reader + printer ... [ 2.35K 15K+ ?MB/s ]
1981 TI-58C ... [ 0.66K 15K ?MB/s ]
1984 TI-66 (overclock mod in 2011) ... [ 0.69K 8K ?MB/s ]

Computers: ... [ RAM ROM Bus ]

1978 Atari 800 SN 26 (Atari mod in 1979) ... [ 36K 18K 1.8MB/s ]
1979 Exidy Sorcerer (board only, RAM mod in 1982) ... [ 59K 5K 0.7MB/s ]
1979 Atari 400 (RAM mod in 1982) ... [ 48K 18K 1.8MB/s ]
198? Atari 800 (RAM mod in 1983) ... [ 192K 18K 1.8MB/s ]
1979 Atari 800 ... [ 48K 18K 1.8MB/s ]
198? SWP ATR8000 ... [ ?K ?K ?MB/s ]
1982 Sinclair ZX81 (SRAM mod in 1983) ... [ 16K 8K 1.1MB/s ]
1983 Timex Sinclair 1000 + 16K DRAM ... [ 16K 8K 1.1MB/s ]
1984 Atari 800XL (RAM mod in 1984) ... [ 256K 24K 1.8MB/s ]
1984 Atari 600XL ... [ 16K 24K 1.8MB/s ]
1984 Atari 5200 ... [ 16K 2K 1.8MB/s ]
1984 Apple //c ... [ 128K 16K 2.0MB/s ]

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From the album:

70's Computing

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Gunstar

Nice vintage calculator collection Claus! I finally paid a mind to your '70's computing' link in your signature area and decided to take a look. The clicked the link here to the Datamath Calculator Museum to look up my TI-2500B Datamath. It's in excellent condition and has been sitting next to my Atari 800 for years, to use with the 800 when I'm doing my financials with 'Your Personal Net Worth' and Syncalc and other Syn series apps.

 

The picture posted I lifted from the museum as it was easier than taking a picture of mine at the moment.

 

TI-2500B.jpg.6a77f07df1bc0e46b7ab46e0fda768b7.jpg

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