I work with a contractor who was delivering numerical data and asking for feedback from my group.  We use the data in a very precise way, but his data only had three digits after the decimal point.  So naturally we requested more digits.  His response was that the software he used to generate the data was only capable of outputting data with three digits after the decimal point.  This software, by the way, was written by his company.  It's not overly complex software, and it was likely written by a person who sits right next to him at work.  But he was adamant that this ask was simply unachievable. 

Not all problems are solvable, and most of the rest of them are hard.  But with the amount of money we pay this guy and the level of intelligence he brings to the table (now questionable), I would've liked to have said one simple thing:  Figure.  It.  Out.  FIGURE IT OUT.  Find a way to solve this problem.  You're smart.  You have resources at your disposal.  You've done all this other complex work.  Figure it out.  Open your code editor and change the format string of the print statement from %3.3f to %3.6f.  Every single other person working on this program and in this entire industry knows this and knows how to do it.  Do it.  "Not possible" is not an option, especially at this level, and especially with this task.  Figure it out.