For these functions, the first argument is an account reference, unless otherwise indicated. Arguments in [] are optional:
@abs(vXXXX)
@annualize(vXXXX)
@avg(vXXXX, -t)
@ceil(vXXXX)
@chg(vXXXX,-t)
@floor(vXXXX)
@histavg or @histavg(vXXXX)
@input or @input(vXXXX)
@irr(vXXXX(t),vXXXX(t), [%])
@normalize
@prior(vXXXX)
@sum(vXXXX, -t)
@ytd