Start free trial
Take Naologic for a spin today, no credit card needed and no obligations.
Start free trial

Approximation Error - What is true error and approximate error?


A true error ( E t {\displaystyle E_{t}} ) is the difference between the true or exact value and an approximate value. This type of error can only be measured when the true value is known. The use of an approximate value instead of the true value might raise questions.