RosettaCodeData/Task/Temperature-conversion/Delphi/temperature-conversion.pas

42 lines
816 B
ObjectPascal

program Temperature;
{$APPTYPE CONSOLE}
uses
SysUtils;
type
TTemp = class
private
fCelsius, fFahrenheit, fRankine: double;
public
constructor Create(aKelvin: double);
property AsCelsius: double read fCelsius;
property AsFahrenheit: double read fFahrenheit;
property AsRankine: double read fRankine;
end;
{ TTemp }
constructor TTemp.Create(aKelvin: double);
begin
fCelsius := aKelvin - 273.15;
fRankine := aKelvin * 9 / 5;
fFahrenheit := fRankine - 459.67;
end;
var
kelvin: double;
temp: TTemp;
begin
write('Kelvin: ');
readln(kelvin);
temp := TTemp.Create(kelvin);
writeln(Format('Celsius: %.2f', [temp.AsCelsius]));
writeln(Format('Fahrenheit: %.2f', [temp.AsFahrenheit]));
writeln(Format('Rankine: %.2f', [temp.AsRankine]));
temp.Free;
readln;
end.