arduino project coding

1. # include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
int BanalogInput = 0;
float Bvout = 0.0;
float Bvin = 0.0;
float BR1 = 100000.0;
float BR2 = 10000.0;
int Bvalue = 0;
int AanalogInput = 1;
float Avout = 0.0;
float Avin = 0.0;
float AR1 = 100000.0;
float AR2 = 10000.0;
int Avalue = 0;
void setup(){
pinMode(BanalogInput, INPUT);
pinMode(AanalogInput, INPUT);
lcd.begin(16,2);
lcd.print("DC&AC VOLTMETER");
}
void loop(){
Bvalue = analogRead(BanalogInput);
Bvout = (Bvalue * 5.0)/1024.0;

2. Bvin = Bvout/(BR2/(BR1+BR2));
if (Bvin<0.09){
Bvin = 0;
}
Avalue = analogRead(AanalogInput);
Avout = (Avalue * 320)/1024.0;
Avin = Avout/(AR2/(AR1+AR2));
if (Avin<0.09){
Avin = 0;
}
lcd.setCursor(0,1);
lcd.print("DC VOLT V= ");
lcd.print(Bvin);
delay(2000);
lcd.setCursor(0,1);
lcd.print("AC IN V= ");
lcd.print(Avin);
delay(2000);
}