A straightforward and efficient calculator for computing logarithms. This tool can calculate the logarithm of any positive number to any valid base. It also includes quick-access buttons for common operations like the natural logarithm (ln, base e) and the common logarithm (log, base 10). The interface is clean and simple: just enter the number and the base, and the result is displayed instantly. Error handling is included to guide users, for instance, when attempting to take the logarithm of a non-positive number or using an invalid base.