Calctor 1.3

I’ve updated my calculator tool to version 1.3:

Fixed some bugs
Added a Clear-action, to clear the input region
Added some functions: arcsecant, arccosecant, secanth, cosecanth, arcsecanth, arccosecanth
Added missing functions to the snippets
Added some templates
Added formatters, to format a result: euro, dollar, yen, pound, percent, degrees