Dear Masahiro,
I accept that in some cases it might be not convenient to follow a rule,
but I think the cotangent is not the case because of 1) a long tradition
acknowledged in an international standard, 2) consistency, 3)
aesthetics, 4) ease of pronounciation, 5) virtual impossibility of
Dear Federico,
Even if there is such a rule, I think that it is not useful to follow the
rule mechanically.
For example, the integral function is "intg" in scilab.
If we follow strictly the rules, it becomes "int" which is confused with the
integer (although int is not used as a keyword in
