The Czech Republic's climate. The Czech Republic lies in a temperate climate zone with pleasantly mild summers and winters with only moderate amounts of precipitation. The average annual temperature ranges from 5.5C (42F ) to 10C (50F ), but temperatures are lower in the mountains.
Linear vs logarithmic scales. 1  Human hearing is better measured on a logarithmic scale than a linear scale. 2  On a linear scale, a change between two values is perceived on the basis of the difference between the values.  On a logarithmic scale, a change between two values is perceived on the basis of the ratio of the two values.
Sections: Introduction to logs, Simplifying log expressions, Common and natural logs. Logarithms are the opposite of exponentials, just as subtraction is the opposite of addition and division is the opposite of multiplication. Logs undo exponentials. Technically speaking, logs are the inverses of exponentials.