void setup()
{
size(250,100);
background(255);
//variable
float C,F;
//assign
C = 25;
F = C2F(C);
fill(0);
println(C+" Celsius = "+F+" Fahrenheit");
text(C+" Celsius = "+F+" Fahrenheit",30,40);
}
float C2F(float celsius){
float fahrenheit;
fahrenheit = ((celsius/5)*9)+32;
return fahrenheit;
}