## A through C

  E-COMPUTE, TRANSPOSE not implemented
  SIC, COMPUTE command. Self explanatory...
  User action : If your variables are images, use the VECTORTRANSPOSE command instead.

  E-COMPUTE, Variable cannot be written
  SIC, COMPUTE command. The output variable is defined ReadOnly.
  User action : Probably a user error. Check your variable name. If it is what you wanted, it means you are trying to overwrite a protected program defined variable, and this is forbidden of course.

  E-COMPUTE, Variable must be Real
  SIC, COMPUTE command. The required actions operate only on Real variables.
  User action : Define intermediate variables if necessary.

  E-COMPUTE, Invalid OUTPUT variable dimensions
  SIC, COMPUTE command on Fast Fourier Transform action.
  User action : See Help.