On Wed, Apr 13, 2011 at 9:29 AM, Zsolt Vasvari <[email protected]> wrote:
> You should not use double/float when dealing with exact numbers, such
> as a calculator.  You need to use BigDecimal.

All physical scientific calculators use floating points. There are
places, where you cannot use anything else than BigDecimals, like
financials, cryptography (large primes), ...




>
> On Apr 13, 2:18 am, Gabriel <[email protected]> wrote:
>> I resolved it using:
>>
>>                 double result = //old result//
>>                 *100
>>
>>                 double newresult =(Math.round(result));
>>
>>                 double finalresult = (newresult) / 100;
>>
>> On 12 abr, 14:29, Harsh J <[email protected]> wrote:
>>
>>
>>
>> > There is a DecimalFormat class generally available in Java. It can
>> > handle the precision amongst other things (like separator character
>> > based on locale, currency unit based on locale, etc.) while
>> > string-representing doubles.
>>
>> > Here's the full 
>> > API:http://download.oracle.com/javase/6/docs/api/java/text/DecimalFormat....
>>
>> > On Tue, Apr 12, 2011 at 10:25 PM, Gabriel <[email protected]> wrote:
>> > > I have a calculator app and I want to round the number after comma.
>>
>> > > Like, if the result is 15,33333 I want to keep it on 15,33 or 15,3
>>
>> > > Does any know how to do that?
>>
>> > > Thanks, I really appreciate the help
>>
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>> > --
>> > Harsh Jhttp://harshj.com- Hide quoted text -
>>
>> - Show quoted text -
>
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-- 
Daniel Drozdzewski

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