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**prob**(system_name, state_name {; arg1, arg2 ..})

- Steady-state probability that the state_name was ever visited
**sreward**(system_name, state_name {; arg1, arg2 ..})

- The reward assigned to state_name
**pcont**(system_name, state_name {; arg1, arg2 ..})

- The continuous part of the exponomial. If state_name is transient, the exponomial used by pcont is the unconditional distribution for time from the beginning till leaving state_name; If state_name is absorbing, the exponomial used by pcont is transient state probability function for state_name.
**pzero**(system_name, state_name {; arg1, arg2 ..})

- The value at t=0 of the exponomial which is the same exponomial as **pcont**
**pinf**(system_name, state_name {; arg1, arg2 ..})

- The value at t=
of the exponomial which is the same exponomial as **pcont**
**mean**(system_name, state_name {; arglist})

- If transient state_name is given, it returns the mean time from t=0 until leaving the state; if absorbing state_name is given, it returns the mean time to absorption.
**variance** (system_name, state_name {; arglist})

- Variance of the exponomial which is used in **pcont**.

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