FUNCTION :  eeta  -  symbolic form eta(n*tau) 

CALLING SEQUENCE :  _eeta(n)                                                
                    

PARAMETERS :      n  - positive integer

SYNOPSIS :  eeta(n) returns eta(n*tau)

EXAMPLES :   

> with(thetaids):
> eeta(24);
                                  eta(24 tau)


SEE ALSO :  

_ETAn,
_etan,
egeta