You have 'exp/(y*1)' instead of 'exp(y*1)'  I believe is the problem.
Strange that it crashes the program though and not warn with a error.

Bob

"Martial" <mar### [at] wanadoofr> wrote in message
news:389243F8.B1E4A275@wanadoo.fr...
| isosurface {
|             function {
|                     sin(sqrt(x*3))*1.5 + 1/exp/(y*1) + z*0
|                         }
|             threshold 0
|            bounded_by {
|                  box {<-5,-5>,<5,5,5>}
|                 }
|              pigment {checker color White color Pink}
|          }
| light_source {< 20,50, 60> White*2}
|
| file://===================================


| Registres :
| EAX=0051c910 CS=015f EIP=0041ac29 EFLGS=00010206
| EBX=0051c910 SS=0167 ESP=02eaf748 EBP=0091f1f8
| ECX=00000000 DS=0167 ESI=00000000 FS=65ef
| EDX=c012fbe6 ES=0167 EDI=02eaf768 GS=0000

| 8b 46 28 85 c0 89 44 24 24 74 26 3b 05 88 d1 51

| 02eaf7a8 0051c900 aab272c0 c012fbe6 00000000 40140000 0657ec80 c012f852
| 00415db6 00000000 02eaf7d4 0000000a 02eaf7ac 00920478 00502290 00918055
|
| --
| Martial !-)
| mailto:Mar### [at] wanadoofr
| http://martial.rameaux.free.fr
|
|

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