↩ 🔵 🔵 🔵 ❪∂❫ Arithmetic Math ○ ❪∂₁₀❫ Function Portals ○ ❪∂₁ₐ❫ Arithmetic Operations ○ Greatest Common Divisor (GCD) ○◂ Least Common Multiple (LCM) ○◂ Lowest Common Denominator (LCD) ○◂