วิธีการคำนวณ Sum

learn.whatIsHeading

A sum calculator adds a list of numbers, providing the total, count, average, minimum, and maximum. Useful for tallying expenses, quiz scores, inventory counts, and any situation requiring quick summation of a number list.

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1. 1Sum: add all numbers together (Σ = sum of all values)
2. 2Count: number of values in the list
3. 3Mean: Sum / Count
4. 4Min/Max: smallest and largest values in the dataset

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