Math2,-method: The functions abs, sign,sqrt,
floor, ceiling, trunc, round, signif,
exp, log, expm1, log1p,
cos, sin, tan, acos, asin, atan,
cosh, sinh, tanh, acosh, asinh,
atanh,
lgamma, gamma, digamma, trigamma,
cumsum, cumprod, cummax, cummin
for hyperSpec objects.