layouts sample

"clr" "clr" 
"<-"  "<-"  
"("   "("   
"STx" "STx" 
"STO" "STO" 
"ans" "ans" 
"EE"  "EE"  
")"   ")"   
"RCx" "RCx" 
"RCL" "RCL" 
            
"1"   "1"   
"4"   "4"   
"7"   "7"   
"0"   "0"   
            
"2"   "2"   
"5"   "5"   
"8"   "8"   
"."   "."   
            
"3"   "3"   
"6"   "6"   
"9"   "9"   
"EXE" "EXE" 
            
"/"   "/"   
"*"   "*"   
"-"   "-"   
"+"   "+"   
"~"   "~"