Clock that requires math to read the time

[Jlouis]

(04-07-2019 01:55 PM)DA74254 Wrote:  In Norway ":" is commonly used as division sign and in ratio (which is division anyway).

3:2=1,5 (Yes "," as in "one comma five", not the american "." so not "one point five")

In ratio; 10,1:1 "ten comma one to one (used f. inst. in engine comprerssion ratio).

Same in Brazil.

Not sure in Portugal.

Cheers