While we were in England for the First Stridonium Conference, we took advantage of our trip to visit some really nice bookshops. In one of them we found a mouse pad (or mouse mat, if you prefer UK English) that is just perfect for translators:
Mouse pad for translators
While there are certainly other methods for inputting special characters (starting of course from using the correct keyboard for your target language), there are always occasions in which you have to type some accented character you don’t use often. To help you find the numeric code of a useful subset of such characters, this mouse pad is great, and certainly better than scotch-taping a list of codes to your monitor.