log2 1000 1 的结果是多少
计算器算
log2(1000+1) = 9.9672262588359935240381450182143
近似计算
log2(1000 + 1) = log2[1024 - 23] = log2[1024] + log2[1 - 23/1024]
~= 10 - 23/1024*(1/ln2) = 10 - 23/[1024ln2]
= 10 - 0.032404283144966951532498308264691
= 9.9675957168550330484675016917353。