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  1. !! +exec+ +string+
  2. tit:eval
  3. type:$type_var
  4. alias:evalue
  5. syntax:!eval ``expr''
  6. mean:Returns the numerical value of the expression ``expr''. ``expr'' must evaluate to \
  7.   a real number (under the current version of wims). The evaluation is internally done in double\
  8.   precision, but the print precision can be changed by setting the variable\
  9.   ``wims_print_precision'' (whose default value is 8). <br>\
  10.   If an error is found in the expression ``expr'', 0 is returned.\
  11.   (I know that this is very bad; I just have no time to make everything right.)
  12.