Calculator pi kwanu kabedo ma oling pi yiku arch
R1 - Radius ma iye pa arch.
R2 - Radius ma woko pa arch.
S - Namba pa dul pa arch.
U - Angle pa dul pa circle.
Ker pa program.
Kwan pa dit pa piny man wel pa piny ma jutiyo kudu pi yiku ot ma juyubu ku baw.