Shodor Education Foundation
Shodor Interactivate: Stopwatch
This is a general-use stopwatch that can serve any purpose, for any subject area. The stopwatch counts up and down, records times that events happen, and also includes a buzzer that will activate at any time the user chooses. Java is...
Math Is Fun
Math Is Fun: Stopwatches
Use this online stopwatch to learn about elapsed time. This timer can time three different events at once and has an alarm.