From Clomosy Docs
function FloatToStr(Value: Extended):string;
The FloatToStr function converts a floating point number Value into a displayable string. The value is displayed to 15 digits of precision. The Value type may be any of the floating point types.
Example
TRObject Syntax
var
LongNumberValue, ShortNumberValue : float;
{
LongNumberValue = 1234567890.123456789;
ShortNumberValue = 123.12;
ShowMessage('LongNumberValue = '+FloatToStr(LongNumberValue));
ShowMessage('ShortNumberValue = '+FloatToStr(ShortNumberValue));
}
Base Syntax
var
LongNumberValue, ShortNumberValue : float;
begin
LongNumberValue := 1234567890.123456789;
ShortNumberValue := 123.12;
ShowMessage('LongNumberValue = '+FloatToStr(LongNumberValue));
ShowMessage('ShortNumberValue = '+FloatToStr(ShortNumberValue));
end;
Output:
LongNumberValue = 1234567890,123456789
ShortNumberValue = 123,12