↩ 🔵 🔵 🔵 ❪✺₁❫ Mathematical Classes ○ ❪✺₁ₐ❫ Types ○ ❪✺₁ₐ.❫ Data Types ○ Matrix ○꠹ Number ○꠹ Scalar ○꠹ Sequence ○꠹ Set ○꠹ Space ○꠹ Tensor ○꠹ Tuple ○꠹ Vector ○꠹