		myvar=0; <!-- number on screen-->
		first=0; <!-- first number to be used by the operator -->
		ans=0; <!-- answer -->
		ansa=0; <!-- if an operator hit after equals use ans for first-->
		op=""; <!-- operator -->
		dec=0; <!-- was decimal pushed?-->
		deca=0; <!-- if its a decimal already dont add more decimals -->
		savevar=0; <!--var in mem -->
		notzero=0; <!--if its a decimal but equal to zero, dont add more decimals -->
		dotname <!--var in decimal form (ex 1=.1) -->
