Daidaita Arithmetic Grid: Matsayi suna rabe ne ta wani madaidaicin ƙimar farashin dalar. Daidaita Geometric Grid: Matakan suna da tazara ta kaso guda da aka tsara.
Injin Lissafin Mataki na Arithmetic Grid
DOKA DON MAKA RIBAR KOWANE GRID: Don kiyaye ingancin babban jari, tabbatar da ƙididdigar ribar Grid na ku ta kasance tsakanin 0.3% da 1.5% kawai.