The fortran(A,x) function creates a Fortran statement which represents the assignment of the expression A to the variable x. This Fortran statement is returned as a string.

When called with the form fortran(A), the expression A is assigned to a default variable name in the returned statement.

$\mathrm{with}\left(\mathrm{MTM}\right)\:$

$\mathrm{fortran}\left(x^4-5x^2+2\,'w'\right)$

$''w\; =\; x\; **\; 4\; -\; 5\; *\; x\; **\; 2\; +\; 2''$