Calculators with base conversions but no bitwise logic

06032018, 06:22 AM
(This post was last modified: 06052018 05:34 PM by ijabbott.)
Post: #1




Calculators with base conversions but no bitwise logic
Back in 1990 or so, my lovely "wallet style" Casio fx450 (which along with the slightly updated fx451 was a favourite amongst computer programmers at the time) was starting to come apart at the hinge (but only the vinyl covering on the inside). I went to the local WHSmith (a chain of high street newsagents in the UK) looking for something a bit more sturdy and noticed the Casio fx3800P which seemed to fit the bill as it had a BASEn mode, and as a bonus was programmable (although my beloved FX502P that I bought myself for high school was still working at the time). Only after I bought it did I discover the lack of support for bitwise logical operations. I couldn't believe that Casio would go to the trouble of adding BASEn calculations, but miss out such basic operations as AND, OR, XOR and NOT that my fx450 had.
Recently, I was looking at TAS and noticed an auction for a HP27S in good condition. It also has base conversions, and it looked like a nice calculator, so I found a scan of the users manual online and began to read it. Lo and behold, it is also missing the bitwise logical operations. What were HP thinking? So here is a likely incomplete hall of shame for calculators that have programmerfriendly base conversions, but spoil it by omitting the bitwise logical operations:


06032018, 11:33 AM
Post: #2




RE: Calculators with base conversions but no bitwise logic
I was able to add bitwise operations to the 27S without too much trouble by way of the solver:
http://www.hpmuseum.org/forum/thread8492.html Works well enough if it's something you need only occasionally. Also, I think the 22S fits in this category of lacking logic operations. 

06042018, 01:02 AM
Post: #3




Add Sharp EL512 to the list
The Sharp EL512 was the machine I bought to finish my engineering degree and it served me well. It does hex to decimal and reverse conversions but has no bitwise operations.
Alan 

06052018, 05:32 PM
Post: #4




RE: Calculators with base conversions but no bitwise logic  
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