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Currently working on IBM midrange (earlier on mainframes).
Love to solve puzzles.
Fan of Martin Gardner, W W Sawyer, Ya Perelman, Carl Sagan, Isaac Asimov, George Gamow, Raymond Smullyan, Richard Dawkins, Douglas Hofstadter.
Interested in Maths & Science education, science popularization.


Dec
29
revised How to copy picture from a file to clipboard
Since the question was modified, so answer was modified.