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+. on Rational Arguments Improved | initial writing: 2002-05-11 last updated: 2002-05-11

The dyad`+.` on rational arguments is now more efficient in time and space. For example:

       ts=: 6!:2 , 7!:2@]   NB. time and space

       ] p=: (+%)/70$1x
    308061521170129r190392490709135
       ] q=: (+%)/90$1x
    4660046610375530309r2880067194370816120

       ts 'p+.q'            NB. J 4.06
    0.00538085 33792

       ts 'p+.q'            NB. J 5.01
    0.000368203 5056

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