Math Dictionary-J deals with words starting with the letter **J**. In this page, we are going discuss about some words which start with the letter "j" and how they are meant in math. Some times, we would be much familiar with some words. But we would not be having more details about those words.

The details which we do not know about those words may sometimes play a vital role in the subject math. Without knowing the details of those words, we would have difficulties to understand some concepts. So it is very important for us to know more details about some words which play vital role in understanding the concepts.

Let us consider the following words which start with the letter “j”

J, Jacobian, Jam, Joint variation, Joint Probability, Jump discontinuity

If we take the word “joint variation”, we know the meaning for “variation”. When we see the word “joint variation”, its meaning would be little bit lengthy in math.

When we see the above listed words which start with the letter “j”, we fee that we are already familiar with them. Now, let us see what more details we have about those words

Math dictionary-j words are as follows:

The chance that two or more events occur together.

__Jump discontinuity:__

If the left and right hand limits exist, but disagree then the graph jump at x=a.

More math dictionary-j are as follows.

** j:** 'j' is the unit vector in vector study.

In vector calculus Jacobian matrix is of all first order derivatives of a vector or scalar valued function with respect to another vector.

It is computer game.

Joint variation is the same as direct variation with two or more quantities. That is if a quantity varies jointly as two or more other quantities, the ratio of the first quantity to the product of other quantities is a constant. That is x/yz =k.

“Mathematics, without this we can do nothing in our life. Each and everything around us is math.

Math is not only solving problems and finding solutions and it is also doing many things in our day to day life. They are:

It subtracts sadness and adds happiness in our life.

It divides sorrow and multiplies forgiveness and love.

Some people would not be able accept that the subject Math is easy to understand. That is because; they are unable to realize how the life is complicated. The problems in the subject Math are easier to solve than the problems in our real life. When we people are able to solve all the problems in the complicated life, why can we not solve the simple math problems?

Many people think that the subject math is always complicated and it exists to make things from simple to complicate. But the real existence of the subject math is to make things from complicate to simple.”

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**Math Dictionary **