Scientific calculator supporting addition, subtraction, multiplication, division, square-root, square, cube, sin, cos, tan, Factorial, inverse, modulus.
科学计算，加、减、乘、除、开方、平方、三次方、三角函数(sin cos tan)、阶乘、求反、取模等。
As immediate consequence of our results we give a new proof of the inverse relations of central factorial Numbers.
作为直接推论给出了中心阶乘数反演关系的新证明。
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