Arch galaw na matu n-gun n rawng ai shara ni hpe sawn la na matu calculator
R1 - Arch a kata na radius.
R2 - Arch a shinggan radius.
S - Arch daw ni a jahpan.
U - Circle langai a sector langai a angle.
Program galaw lu ai atsam ni.
Hpun n-gang langai hpe galaw na matu, n-gun hte daw ni a jahpan hpe sawn la ai.