↩ 🔵 🔵 🔵 ❪✺₁❫ Mathematical Classes ○ Number ○꠹ Complex Number ○꠹ Fraction ○꠹ Imaginary Number ○꠹ Integer ○꠹ Negative Number ○꠹ Number ○꠹ᴾᴿᴳᴿᴹ Positive Number ○꠹ Real Number ○꠹