帮我看看报告器例程

xiaolong

to setup
  clear-all
4 P8 [2 |$ v/ c+ h+ ~  crt 5
" d8 A3 T' N6 t. U' Y7 l  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