Dear All, i come back to start in J
in jijx>tour>overview 3p5 NB. Pi (3 * Pi ^ 5) 918.059 may be it is not the better way to find Pi : 1p1 NB. Pi (1 * Pi ^ 1) 1p1 3.14159 1p1x |ill-formed number | 1p1x | ^ but this is ok for : ^/ 2 3 4 2.41785e24 ^/ 2 3 4x 2417851639229258349412352 3^4 81 2^81 2.41785e24 2^81x 2417851639229258349412352 why 1p1 is not good ? i have not this problem in APL Sorry for the inconvenience Regards, Yves ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm