From: news0009@eager.cx   
      
   On Wed, 02 Apr 2025 16:45:38 +0000, Aharon Robbins wrote:   
      
   > In article ,   
   > Ben Collver   wrote:   
   >>On 2025-04-01, Richmond  wrote:   
   >>> Ben Collver  writes:   
   >>>   
   >>>> To cope with this problem some workers have devised their own   
   >>>> conventions of writing and pronouncing such numbers. A system in use   
   >>>> at the Bell Telephone Laboratories would set off the above figure in   
   >>>> groups of three digits:   
   >>>>   
   >>>>     11,110,101,000   
   >>>>   
   >>>> and would then pronounce each group of three (or less) separately as   
   >>>> its decimal equivalent. The first binary group, 11, is the equivalent   
   >>>> of the decimal 3; the second, 110, of the decimal 6; the third, 101,   
   >>>> of the decimal 5. (000 is zero in any notation.) The above would then   
   >>>> be read, "Three, six, five, zero."   
   >>>   
   >>> This is called Octal, is it not.   
   >>   
   >>Yes this is called Octal.  I only recall using octal in two places:   
   >>C escape sequences (\033) and Unix file mode bits (755), both   
   >>coincidentally from Bell.   
   >   
   > Octal was used heavily on the PDP-11, if you used the assembler.   
      
   In fact, all of the PDPs. They only went to hex with the VAX.   
      
      
      
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