Which calculators had no known bugs?

[Thomas Okken]

(08-05-2017 04:51 PM)Sadsilence Wrote:  2^x values are so common to programmers and so easy to handle for processors of all kinds, that I somehow expected a special treatment.

On binary platforms, yes -- but the calculators that have been mentioned in this thread so far all use BCD internally. You could expect special treatment of powers of 10 in such environments, but powers of 2, not so much.