The system shall provide the @@function function

Inputs

Outputs

Validity checks on the inputs

Sequence

a) Validity checks on the inputs
b) Exact sequence of operations
c) Responses to abnormal situations, including
   1) Overflow
   2) Communication facilities
   3) Error handling and recovery
d) Effect of parameters
e) Relationship of outputs to inputs, including
   1) Input/output sequences
   2) Formulas for input to output conversion