All of the above. Plus, used log tables, and punch cards ...
Thread Replies (14)
2,3,4,5,6,7 - My dad says the abacus's inventor consulted with him...
-- RTFC
Mar 30, 2026 at 11:33 AM ET
RTFC
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03/30/26 11:33 AM ET
I almost put the TRS-80 on the poll...lol**
-- EDGEMAN
Mar 30, 2026 at 12:07 PM ET
EDGEMAN
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03/30/26 12:07 PM ET
All of the above. Plus, used log tables, and punch cards ...**
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-- ColoVT82
Mar 30, 2026 at 08:39 AM ET
ColoVT82
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03/30/26 08:39 AM ET
Punch cards...ugh, I remember those days!**
-- EDGEMAN
Mar 30, 2026 at 11:28 AM ET
EDGEMAN
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03/30/26 11:28 AM ET
The abacus was required when I was in school. **
-- IB4TECH
Mar 29, 2026 at 06:46 PM ET
IB4TECH
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03/29/26 06:46 PM ET
I had a class in high school where the teacher had us use one in class.
-- EDGEMAN
Mar 30, 2026 at 07:39 AM ET
EDGEMAN
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03/30/26 07:39 AM ET
3, 6,7. Although you could sub a TI 99-4A on line 5 and get me there too**
-- JoesterVT
Mar 29, 2026 at 04:35 PM ET
JoesterVT
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03/29/26 04:35 PM ET
3-5,7 I was taught 1,2 but never applied to a real question
-- `lag
Mar 29, 2026 at 03:58 PM ET
`lag
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03/29/26 03:58 PM ET
2, 3, 7 (286 & 386).**
-- PhotoHokieNC
Mar 29, 2026 at 03:17 PM ET
PhotoHokieNC
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03/29/26 03:17 PM ET