计算单值或多值单复变（复正弦、复余弦、复正切、复自然对数ln、复指数、复数的n次幂、复数的1/n次幂、复椭圆正弦sn）；计算sn,cn,dn,snh,cnh等实函。-Single or multiple values ​ ​ calculated single complex variable (complex sine, cosine complex, complex tangent, complex natural logarithm ln, complex exponential, complex power n, plural 1/n of the power, re-elliptical sine sn)　calculated sn , cn, dn, snh, cnh other real letter.