ref: c8cf94d4ed9a0edc1941168cb430750b9f3b48d5 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