where is difference used ?

Description

https://www.mathsisfun.com/definitions/difference.html

Definition of Difference
https://www.mathsisfun.com/definitions/difference.html
The result of subtracting one number from another. How much one number differs from another. Example: The difference between 8 and 3 is 5.

https://www.mathsisfun.com/percentage-difference.html

Percentage Difference
https://www.mathsisfun.com/percentage-difference.html
Percentage Difference is used when both values mean the same kind of thing (for example the heights of two people). But if there is an old value and a new value, we should use Percentage Change Or if there is an approximate value and an exact value, we should use Percentage Error Why do we Average the Two Values?

https://www.sciencedirect.com/topics/economics-econometrics-and-finance/difference-in-differences

Difference-In-Differences – an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/economics-econometrics-and-finance/difference-in-differences
Difference-in-differences (DiD) approaches are applied in situations when certain groups are exposed to a treatment and others are not. The logic of DiD is best explained with an example based on two groups and two periods. In the first period, none of the groups is exposed to treatment.

https://www.publichealth.columbia.edu/research/population-health-methods/difference-difference-estimation

Difference-in-Difference Estimation | Columbia Public Health
https://www.publichealth.columbia.edu/research/population-health-methods/difference-difference-estimation
The difference-in-difference (DID) technique originated in the field of econometrics, but the logic underlying the technique has been used as early as the 1850’s by John Snow and is called the ‘controlled before-and-after study’ in some social sciences.

https://learningenglish.voanews.com/a/the-difference-used-to-be-used-to-get-used-to/5245290.html

The Difference: Used to, Be Used to, Get Used to
https://learningenglish.voanews.com/a/the-difference-used-to-be-used-to-get-used-to/5245290.html
The difference is that get used to means someone is, was or will become accustomed to something. So, the verb get in the phrase can take the present, past or future tense.

https://writing.colostate.edu/guides/page.cfm?pageid=1398&guideid=67

Analyzing Differences Between Groups
https://writing.colostate.edu/guides/page.cfm?pageid=1398&guideid=67
Analyzing Differences Between Groups. Statistical tests can be used to analyze differences in the scores of two or more groups. The following statistical tests are commonly used to analyze differences between groups: T-Test. A t-test is used to determine if the scores of two groups differ on a single variable.

https://www.dailystep.com/en/blog/used-to-be-used-to-get-used-to-what-is-the-difference

USED TO, BE USED TO, GET USED TO – What Is The Difference …
https://www.dailystep.com/en/blog/used-to-be-used-to-get-used-to-what-is-the-difference
2. When I first moved to London, I had to get used to living in the city because I grew up in the countryside. I am used to living here now, but it took me quite a long time to get used to it. (note: ‘be used to; and ‘get used to’ arefollowed by nouns. In this sentence ‘living’ is a gerund – in other words, a noun made from a verb.)

https://www.thesaurus.com/e/grammar/use-to-or-used-to/

Use To vs. Used To: What’s The Difference? – Thesaurus.com
https://www.thesaurus.com/e/grammar/use-to-or-used-to/
Use this article to clear up any confusion you have over the uses of used to and use to. You’ll soon make it a habit to use each one correctly.

https://www.psychologytoday.com/us/blog/ambigamy/200905/whats-the-real-difference-between-feeling-used-and-feeling-useful

What’s the real difference between feeling used and …
https://www.psychologytoday.com/us/blog/ambigamy/200905/whats-the-real-difference-between-feeling-used-and-feeling-useful
Another intuitive answer is that you feel used when you give involuntarily and useful when you give voluntarily. There’s something to this also but the line between involuntary and voluntary is …

https://stackoverflow.com/questions/183853/what-is-the-difference-between-and-when-used-for-division

What is the difference between ‘/’ and ‘//’ when used for …
https://stackoverflow.com/questions/183853/what-is-the-difference-between-and-when-used-for-division
In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2.The former is floating point division, and the latter is floor division, sometimes also called integer division.. In Python 2.2 or later in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior.