Hungarian-English translations for zéró

cipher
us
a painters cipher, an engravers cipher, etc.The message was written in a simple cipher. Anyone could figure it out.The message is clearly a cipher, but I cant figure it out.
zero
us
President Obama's Global Zero vision in Prague was impressive and we welcomed it. Obama elnök prágai "globális zéró” elképzelése nagyon meggyőző volt, és üdvözöltük. The conductor waited until the passenger count was zeroA cheque for zero dollars and zero cents crashed the computers on division by zero