Floating point digits beyond the 17th are illusory on my 32-bit machine:

    0j42 ": x:^:_1 [ 5r3
 1.666666666666666740681534975010436028242111

Can use  _1 x: y  for  x:^_1 y 

    0j42 ": _1 x: 5r3
 1.666666666666666740681534975010436028242111

--Kip

Sent from my iPad

> On Feb 23, 2014, at 11:58 PM, Don Guinn <dongu...@gmail.com> wrote:
> 
> Use the inverse of x: to convert rational to real (floating point):
> 
>   [r=:x:^:_1 B
> 
> 1.61803
> 
>   3!:0 r
> 
> 8
> 
> 
> To display the value more accurately use format (":):
> 
>   0j42":B
> 
> 1.618033988749894848204586834365638117720309
> 
> 
> On Sun, Feb 23, 2014 at 6:41 PM, Linda Alvord <lindaalv...@verizon.net>wrote:
> 
>> I just saw that there are several other ways to get the golden ration.
>> Before I look at them I don't know how to change the rational numbers  A
>> and  B  to decimals with many digits.
>> 
>>   g=: 13 :'(+%)/\y$1x'
>>   g
>> [: (+ %)/\ 1x $~ ]
>> 
>> 
>>   A=:0{|. g 100
>> 
>>   A
>> 573147844013817084101r354224848179261915075
>> 
>> 
>>   B=:0{|. g 200
>>   B
>> 
>> 453973694165307953197296969697410619233826r280571172992510140037611932413038
>> 677189525
>> 
>> Linda
>> 
>> -----Original Message-----
>> From: programming-boun...@forums.jsoftware.com
>> [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of PMA
>> Sent: Sunday, February 23, 2014 3:48 PM
>> To: programm...@jsoftware.com
>> Subject: Re: [Jprogramming] A Tale Without End
>> 
>> My favorite..
>> 
>>     -:>:%:5
>> 1.61803
>> 
>> 
>> Nimp O wrote:
>>> And also..
>>> 
>>>    (+ %:)/ 0,20$1
>>> 1.61803
>>> 
>>>> Date: Sun, 23 Feb 2014 20:11:11 +0000
>>>> From: bojac...@yahoo.dk
>>>> To: programm...@jsoftware.com
>>>> Subject: Re: [Jprogramming] A Tale Without End
>>>> 
>>>>    {.>{:p. 1 1 _1
>>>> 1.61803
>>> s.htm
>>> 
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