ref: cad4dfffe0f6a96225ba9b930e45412bcdc73d3d dir: /pi/
#!/bin/rc # Calculate pi. echo '1sq180sr60st2si[3li*1+d1+*3*suli27*12-lq*5lr*+lt5*/d48+Psy10lqlid2*1-***10lulqli5*2-*lr+lylt*-**srsqlult*stli1+silmx]smlmx' | dc