O0001;

N10G54G90G40G00X100Y1OOZ1OO"

N20M03S1000;

N30M08;

N40GOOX10Y25Z5;

N50#1=0;角度變數

N60#2=2;倒圓半徑

N70#3=5;刀具半徑（平頭銑刀）

N80#4=#2*[1-COS[#1]];

N90#5=#3-#2*[1-SIN[#1]];

N100#1=#1+1;

N110G01Z[-#4]F100;Z向指定深度

N120G10P1L12R#5；輸入半徑補償

N130GO1X5Y25G41D01;

N140M98P0002;

N150IF[#1LT90]GOTO80;條件語句（當角度小於90度時返回第80段）

N160G00Z100;

N170X100Y100;

N80M30;

O0002；子程式

N1OG01X0;

N20~~~~

N120G00Z5"

N130X10Y25G40;

N140M99;