It is used when a function takes the same values after some fixed interval, and multiples of that interval.
For example, tan(x) = tax(x + 180) = tan(x + 360) = tan(x + n*180) for all integer values of n. So tan is said to be periodic, with period 180 degrees (or π radians).
Chat with our AI personalities
It may refer to distance from a point of reference.
An axis can be defined as an imaginary line about which a body rotates, In math it can be defined as a fixed reference line for the measurement of coordinates.
periodical.
Math
For future reference, you can use Google Calculator for general math questions, for example, type in "7.8 grams in milligrams" and Google will return the solution, which is...7.8 grams = 7800 milligrams