From: utzoo!watmath!csc
Newsgroups: net.misc
Title: Re: HP Calculator Stack Depth - (nf)
Article-I.D.: watmath.4206
Posted: Fri Jan  7 12:10:43 1983
Received: Fri Jan  7 23:46:22 1983
References: minn-ua.265

I believe another reason that the stack is shallow is to make the
R(up) and R(down) [rotate stack up and down] more usable.
Jan