Expansion of the Shape of Numbers

This article extends the concept of the shape of numbers. Originally, a shape was defined as [1, K₁, K₂, ···], 1<K₁<K₂< ···, K_i∈N. In this paper, the domain of a shape is extended from N to Z, the low bound is extended from 1 to Z, and K_i<K_{i 1}, K_i=K_{i 1}, K_i>K_{i 1} are allowed, which prove that they can be calculated with the similar form (T₀ K₀)(T₁ K₁)(T₂ K₂) ···. In this way, a lot of calculation formulas can be obtained. At the end, the form is obtained to calculate K₁x···xK_M (L K₁)x···x(L K_M) (2L K₁)x···x(2L K_M) (3L K₁)x···x(3L K_M) ···.