A Tally counter, also known as a clicker counter or tally book, is a small mechanical or electronic device used for counting occurrences of an event or item. It typically features a button that can be pressed to increase the count by one with each press, and it usually has a display to show the current count. Tally counters are often used in various applications, such as: 1. **Crowd Counting**: To count the number of people entering or exiting a location.
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