帮我看看报告器例程

xiaolong

to setup
: g1 x6 |- u& |  p: A7 H3 W( w6 q  clear-all
2 q# n7 }/ v1 y7 _  crt 5
  absolute-value  10  
end
to-report absolute-value [ number ]
   ifelse number >= 0 [report number] [report (- number)]
end
check时出错

xiaolong

谢谢了