No v Delphi existujú viaceré dátové typy s desatinnými miestami:

Dec1 : Single; // 7 significant digits, exponent -38 to +38
Dec2 : Currency; // 50+ significant digits, fixed 4 decimal places
Dec3 : Double; // 15 significant digits, exponent -308 to +308
Dec4 : Extended; // 19 significant digits, exponent -4932 to +4932