numpy.arccosh(x[, out]) = Inverse hyperbolic cosine, element-wise.

numpy.signbit(x[, out]) = Returns element-wise True where signbit is set (less than zero).

numpy.sign(x[, out]) = Returns an element-wise indication of the sign of a number. The

numpy.real_if_close(a, tol=100)

numpy.ceil(x[, out]) = Return the ceiling of the input, element-wise. The ceil of the scalar x is the smallest

numpy.multiply(x1, x2[, out]) = Multiply arguments element-wise.

numpy.subtract(x1, x2[, out]) = Subtract arguments, element-wise.

numpy.add(x1, x2[, out]) = Add arguments element-wise.

numpy.log10(x[, out]) = Return the base 10 logarithm of the input array, element-wise.

numpy.negative(x[, out]) = Numerical negative, element-wise.