A dream calculator of the 70"s, priced at $1,900 in today"s dollars, now on your iPad! RPN-67 Pro is the first complete simulation of Hewlett-Packard"s legendary...展开

A dream calculator of the 70"s, priced at $1,900 in today"s dollars, now on your iPad! RPN-67 Pro is the first complete simulation of Hewlett-Packard"s legendary HP-67 programmable calculator for iOS. Produced from 1976 to 1982, the HP-67"s features coupled with its capability to store programs on…收起

Improved accuracy in extreme cases of y^x with positive, integer x. For example, 1.0000001^(2^27) = 674530.4707, not 674530.4760 Bug fixes: ENTER in complex mode didn"t work correctly Division by 0 doesn"t drop the stack anymore Fixed issues when importing stack arithmetic commands from RPN-97 Pro The RND function didn"t work correctly in regions using a comma as decimal point