Calculate Logs By Hand

Introduction & Importance

Calculating logs by hand is a fundamental skill in mathematics, essential for understanding logarithmic functions and their applications in various fields, from science to finance.

How to Use This Calculator

1. Enter the base of the logarithm (e.g., 10, 2, e).
2. Enter the argument (the number you want to find the log of).
3. Click ‘Calculate’.

Formula & Methodology

The formula for a logarithm is: log_b(x) = y ⇔ b^y = x. Here’s how to solve it by hand…

For more information, see the Math is Fun guide to logarithms.

Interactive FAQ

What is the difference between log and ln?

The log function can have any base, while ln represents the natural logarithm, which uses the base e (Euler’s number).