dwj-digest (Diana Wynne Jones) V1 #929

Roger Burton West roger at firedrake.org
Sun Dec 19 11:47:27 EST 2004


On Sun, Dec 19, 2004 at 10:32:57AM -0600, Margaret Ball wrote:

>Maybe that, rather than chronological age, should be the distinguishing 
>mark of a Crone: can you recognize a slide rule?

I still occasionally use one.

>The first handheld calculator I ever met cost roughly $700 (probably 
>equivalent to $1400 today!), and it was made by HP, and it used Reverse 
>Polish notation. Anybody remember Reverse Polish?

I use it by preference even now, though I was never a fan of the HP
calculators; I find it much faster than the conventional sort. (It also
discourages people from borrowing one's calculator.)

R
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