Number System Conversion Tool
This is a tool to practice converting from binary to decimal.
Fill in the text box and click on
the "Convert"
button. The answer will appear automatically. If you click on "Explain
Answer", you will get a short explanation of how the answer was obtained.
For a more detailed explanation of conversions between number systems,
read the tutorial.
After you have practiced for a while and feel that you know how to do
the conversions, take the quiz.