Hi, On 26.09.2010 02:36, Jake Alucard wrote: > convertButton.signal_connect("clicked") { > > dollars = tempEntry.text.to_f > > rate = tempEntry.text.to_f > > time = tempEntry.text.to_i Look carefully which gtk widgets you access. You always access "tempEntry" but you named the others "tempEntry2" and "tempEntry3". Lesson you should learn here: use distinctive naming ;-) - Markus