Calculator (structure)

x,y,z repesent the atomic positions, and use the same funtion as Utilities/calculator

functions:
tanh(double)
tan(double)
sqrt(double)
sinh(double)
sin((double)
lg10(double)
log(double)
flr(double)
exp(double)
cosh(double)
cos(double)
atan(double)
asin(double)
acos(double)
abs(double)
rnd(double)
pow(doubl,double)

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also you can use in line comans:
fireball-GUI Calc '3*2*cos(5)'