Minimal Key Calculator

[Gerald H]

(03-13-2015 11:26 AM)PANAMATIK Wrote:  

(03-13-2015 11:14 AM)Paul Dale Wrote:  The way the question is posed "least number of keys" would imply a minimum of two keys and disallow none or one. In this case two keys are clearly enough -- the morse code key and a power button

- Pauli

Don't be overhasty. Perhaps some mathematician will show a solution with a negative number of keys. Might be useful for entering imaginary numbers. Is minus infinity keys less than zero keys?

Bernhard

Hoist with my own petard, the underlined "s"!

It's an unfortunate idiosyncracy of colloquial English that grammatical number has to be specified.

Fortunately Japanese does not have this obsession with number - I'll try to nipponize my English in this respect in future.