In this article, we will learn about the index notation and the laws of indices. Index Notation Let us see how an index is represented Consider a value, 2323. The way this is pronounced is “2 to the power 3”. The 2 is called the base. The 3 is called the power or index. In ...
is to be multiplied by itself, the number of times equal to the index raised to it. it is a compressed method of writing big numbers and calculations. example: 2 3 = 2 × 2 × 2 = 8 in the example, 2 is the base and 3 is the index. laws of indices there are some fundamental...
W A Fitts’ Law, derivation In time duration t, you move a fixed proportion (1-r) of the remaining distance After 1t, the distance remaining is rA. After 2t, the distance remaining is r2A. After nt, the distance remaining is rnA. Solve for n. 𝑟 𝑛 𝐴= 𝑊 2 𝑛= log ...