帮我看看报告器例程

xiaolong

to setup
  clear-all
6 b0 a6 u0 u2 P' A1 g. V  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