Konverzní funkce
DateTimeToStr(e: Extended): String
DateToStr(e: Extended): String
FloatToStr(e: Extended): String
IntToStr(i: Integer): String
StrToDate(s: String): Extended
StrToDateTime(s: String): Extended
StrToFloat(s: String): Extended
StrToInt(s: String): Integer
StrToInt64(s: String): Integer
StrToTime(s: String): Extended
TimeToStr(e: Extended): String
VarToStr(v: Variant): String