Mean
Arithmetic Mean
The average of a set of numbers, calculated by dividing the sum of all values by the count of values.
技术细节
Mean is applied in computing through numerical algorithms that balance precision, performance, and memory. JavaScript uses 64-bit IEEE 754 floating-point for all numbers, providing ~15-17 significant decimal digits. For exact arithmetic (financial, cryptographic), BigInt or fixed-point libraries are required. Browser-based calculators implement mean using the same floating-point engine, making awareness of precision limitations important for correct results.
示例
``` Mean calculation: Input: value = 42 Apply mean: result = f(42) Output: result ```
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