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  2. DB Class E 50 - Wikipedia

    en.wikipedia.org/wiki/DB_Class_E_50

    2003. Preserved. 2. The Class E 50 is an electric heavy freight locomotive built for German Federal Railways between 1957 and 1973. It belongs to the Einheits-Elektrolokomotiven (standardised electric locomotives) program and was built as a heavy freight mover to be used on the increasingly electrified main lines of the DB, where they were set ...

  3. Troubleshooting - Wikipedia

    en.wikipedia.org/wiki/Troubleshooting

    Troubleshooting. Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

  4. European route E50 - Wikipedia

    en.wikipedia.org/wiki/European_route_E50

    The route is some 6,000 kilometres (3,700 mi) long and runs fully across the European continent. E50 near Ternopil in Ukraine, looking east towards Khmelnytskyi and Uman. On its way through Europe it crosses several major European routes, such as: E60 Brest – Vienna. E5 Greenock - Algeciras.

  5. Fix problems signing in to AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-signing-in-to...

    Fix problems signing in to AOL Mail. While most sign in problems can stem from password issues, you might also get blank or missing screens, or various errors when trying to sign in. No matter the problem you're experiencing, the following troubleshooting steps should help you get back in your AOL Mail quickly.

  6. List of unsolved problems in computer science - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    The RTA list of open problems – open problems in rewriting. The TLCA List of Open Problems – open problems in area typed lambda calculus. Categories: Conjectures. Lists of unsolved problems. Unsolved problems in computer science.

  7. Fix problems with Games on AOL.com - AOL Help

    help.aol.com/articles/troubleshooting-games-com...

    Games on AOL.com offers hundreds of free online games. Discover solutions to common issues on Games on AOL.com and get back to playing.

  8. Fix problems sending AOL Mail - AOL Help

    help.aol.com/articles/aol-mail-troubleshooting

    If your Mail settings don't have Rich Text or HTML enabled, you could have problems with viewing images in forwarded emails. These settings can be enabled from the Mail Settings page. Send image as an attachment: If you've sent an image in an email, but your recipient didn't receive it there may have been a problem with the way the file was sent.

  9. Numerical sign problem - Wikipedia

    en.wikipedia.org/wiki/Numerical_sign_problem

    In applied mathematics, the numerical sign problem is the problem of numerically evaluating the integral of a highly oscillatory function of a large number of variables. Numerical methods fail because of the near-cancellation of the positive and negative contributions to the integral. Each has to be integrated to very high precision in order ...