วิธีการคำนวณ Miscellaneous

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Miscellaneous calculators cover date, time, and utility computations that don't fit neatly into one category — age calculators, date arithmetic, workday counters, and week number lookups.

คำแนะนำทีละขั้นตอน

1. 1Age: today's date − birth date in years, months, and days
2. 2Date difference: count calendar days between two dates
3. 3Workday: count weekdays (Mon–Fri) excluding holidays between dates

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