--[[--------------------------< S U B >------------------------------------------------------------------------]]localfunctionsub(frame)locala=frame.args[1]localb=frame.args[2]returna-bend--[[--------------------------< A D D >------------------------------------------------------------------------]]localfunctionadd(frame)locala=frame.args[1]localb=frame.args[2]returna+bend--[[--------------------------< E X P O R T E D F U N C I O N S >--------------------------------------------]]return{add=add,sub=sub}