关于本计算器
Logarithm of any valid base plus one-click ln, log10 and log2 with reference values.
对数计算器
任意底对数、ln、log10与log2。
输入计算参数
计算结果摘要
对数 · log10(1000)3
ln(1000)6.907755279
log10(1000)3
常见问题
Change of base?
log_b(x) = ln(x) / ln(b) — how every base is computed here.
Domain limits?
Value must be positive; base must be positive and not 1.
ln vs log10?
ln uses e ≈ 2.718 for math and growth; log10 fits orders of magnitude and decibels.