# What is the history of 0?

## What is the history of 0?

Zero's origins most likely date back to the “fertile crescent” of ancient Mesopotamia. Sumerian scribes used spaces to denote absences in number columns as early as 4,000 years ago, but the first recorded use of a zero-like symbol dates to sometime around the third century B.C. in ancient Babylon.

## Does the number zero exist?

0 (zero) is a number, and the numerical digit used to represent that number in numerals. ... It fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures. As a digit, 0 is used as a placeholder in place value systems.

## Where did the word zero come from?

Etymology. Our English word zero comes from the Arabic word sifr. It's the same Arabic root that gives us the word cipher, which can mean something that was done in secret.

Brahmagupta

Brahmagupta

Mayans

## What if zero was not invented?

Without zero, modern electronics wouldn't exist. Without zero, there's no calculus, which means no modern engineering or automation. Without zero, much of our modern world literally falls apart. Humanity's discovery of zero was “a total game changer ...

## Who invented 1?

Hindu-Arabic numerals, set of 10 symbols—1, 2, 3, 4, 5, 6, 7, 8, 9, 0—that represent numbers in the decimal number system. They originated in India in the 6th or 7th century and were introduced to Europe through the writings of Middle Eastern mathematicians, especially al-Khwarizmi and al-Kindi, about the 12th century.

## Is homework illegal in the US?

Part of his essay reads: "Homework is assigned to students like me without our permission. Thus, homework is slavery. Slavery was abolished with the passing of the 13th Amendment to the U.S. Constitution. So every school in America has been illegally run for the past 143 years."

## Is it illegal for a teacher to hold you after the bell rings?

It is actually legal to keep students after the bell. There are no direct laws against keeping people in class after the bell rings. Also, your school's policy or regulations can specifically say different rules about the bell. However, teachers must be careful not to abuse their power to keep students after the bell.

## Does the Bell dismiss you?

In the end, the teachers do not dismiss the students the bell does. It would be like the teachers having a set time to leave, but students overrule that time and decide when it is necessary. ... Granted, some students do need to be held back due to their behavior and lack of work, but this is high school.

## Can teachers force you to do homework?

A teacher can't force you to do anything in a classroom. Your actions may result in the instructor removing you from the class or punishing you for your refusal, but the teacher, school and district don't have the authority to make you do something you don't want to do.

## Can school WIFI see your texts?

Text Messages are unlikely, as they are SMS and not sent over WIFI but thru your cell service. ... Any Web traffic you make while on the schools wifi is most likely monitored and the school would be in their right to do so, and could be traced back to your device if they wanted to very easily.

## Is it illegal to keep students from going to the bathroom?

Unless you have a medical condition that causes you more frequent bathroom breaks than normal, it is not illegal.

## Does the Bell dismiss you or does the teacher?

Most teachers keep the bell in mind to pace their lesson, but sometimes a lesson might run a little long and the class needs to stay behind for a few minutes. Unless the school regulations specify that pupils can't be kept behind after the bell rings, the dismissal time is entirely up to the teacher.

## Can a teacher legally search your phone?

Can my school look through my phone without my permission? ONLY IN AN EMERGENCY* OR WITH A SEARCH WARRANT ISSUED BY A JUDGE based on “probable cause” that your phone contains evidence of a crime (meaning that a reasonable person would believe there is evidence in your phone).

## Is it illegal to have a crush on your teacher?

It is not wrong to have a crush on anybody but when it comes to a teacher you should keep it to yourself. Teachers are forbidden by law from having any kind of relationship with a student.

## Why does my teacher stare at me alot?

Your teacher stares at you because he finds you attractive. If this is the case, just be up-front about it and get it over with. This will be an awkward conversation for the both of you, so keep it as short as possible. ... If your teacher actually is staring at you then he will get the message.

## How do teachers flirt?

How To Flirt With Your Female Teacher

1. Choose a good Sitting Position during Class Sessions. ...
2. Prepare for Lectures and Understand the Material Well. ...
3. Acknowledge her. ...
4. Make Friends with Her. ...
5. Compliment Her. ...
6. Stand out from the Crowd. ...
7. Conclusion.

## Is liking a teacher wrong?

It is definitely normal to have crushes on teachers. ... If you're having the urge to act on your crush or to let your teacher know, then that can be a problem. As you know, a relationship between you and your teacher is not possible. It is, in fact, illegal, for very good reasons.

## Can you say I love you to a teacher?

Much, much better to phrase it, “I love the way you…” This focuses on the actions of the teacher. It's definitely a wonderful compliment, and positive feedback. And is totally, totally safe for you both. If you truly love, love the teacher, wait until you are 18 to say it.

## Do teachers fall in love with students?

Originally Answered: Can a teacher fall in love with his student? Absolutely! Although it is inappropriate and a violation against school policies, a teacher can fall in love with a student.

## Should I tell my teacher I have a crush on her?

Telling your teacher would put her in a very, very awkward position. It would make her uncomfortable and cause her quite a lot of stress. There is nothing to be gained by you telling her about this crush. ... Just acknowledging you have a crush on her could possibly be detrimental.