Minimal Key Calculator

[Gerald H]

(03-13-2015 05:59 PM)Thomas Radtke Wrote:  

(03-13-2015 12:13 PM)Gerald H Wrote:  While one is clearly disallowed, the expression is correctly "zero keys" or "no keys"!

But Paul wrote 'none', which is correctly none (not one) key .

Except "none key" is wrong & "the least number of keys" would not exclude zero.

Please don't confuse the many language learners reading this thread.