what dose A and B stand for?

Question

In school, i know A = 90% and above , and B = 80 % and above.
and so on, so what dose the letter mean besides percenteges

Answer 1

A is for apples, B is for Bananas.....

Answer 2

A= excellent
B= Good
C= Average
D= Poor
F= Failing

Answer 3

They don't stand for anything, it could be numbers instead of ABCDEF letters. For an example, in many European schools grading system is based on numbers from 1 to 5 - in Germany: 1 is the highest mark and 5 the lowest, and in Croatia (where I'm from, central Europe): 5 is the highest mark and 1 the lowest.

Answer 4

In American Major League Baseball, the Oakland Athletics are often simply referred to as the "A's."

In astronomy, A stands for a whitish-blue class of stars in the Morgan-Keenan system A stands for a January 1 through 15 discovery, in the provisional designation of a comet (e.g. C/1760 A1, the Great Comet of 1760) or asteroid (e.g. (4099) 1988 AB5) a is often used to denote the semi-major axis of an orbit

In biochemistry, A is the symbol for alanine and adenosine.

Brassiere cup size A

In calendars, A is often an abbreviation for the months April and August.

In computing, is the HTML element for an anchor tag.
In the Mac OS, Command-A (for All), and in Windows, Ctrl-A, and selects all the text in the document, or all the pixels of an image. A sometimes represents the set of all alphabetic characters within string patterns. A:\ is the conventional address of the first floppy disk drive in CP/M-based operating systems such as DOS. A is a security division ("Verified Protection") in the TCSEC.

In education, a grade of A typically represents the highest score that students can achieve. This is sometimes coupled with a plus/minus sign, as in A+ or A-, or a number, as in A1. It is occasionally a grade one level below A* (pronounced "A Star").

In electronics, A is a standard size of battery. A refers to the Anode, or filament, component of a vacuum tube. In English, the word a is an indefinite article.

In Esperanto, -a is the adjectival/attributive ending; A is commonly an abbreviation meaning English (language).

In fiction, the letter worn by Hester Prynne marking her as an adulteress in the Nathaniel Hawthorne novel The Scarlet Letter was an A.

In film, A is an Italian film made in 1969; see A (film).

In finance, A is the U.S. ticker symbol for Agilent Technologies.

In games, the letter A is used to mark each of the Aces in a deck of playing cards.

In geology it stands for annum (Latin for "year") and is usually used with Mega (Ma) and Giga (Ga) to indicate very long periods of time.

In Greek, a- is a prefix (alpha privativum) meaning "not" or "devoid of," used in many borrowed words in English, German and Romance languages (e.g. amoral, asexual, arhythmic).

In Japanese, A is a romanization of the kana ? and ?.

In India A is movie rating, given to those intended to be seen only by adults.

In international licence plate codes, A stands for Austria.

In international paper sizes, A is a series of sizes with an aspect ratio of roughly 70% width to height, with A4 being an example popular size.

In logic, the letter A is used as a symbol for the universal affirmative proposition in the general form "all x is y." The letters I, E, and O are used respectively for the particular affirmative "some x is y," the universal negative "no x is y," and the particular negative "some x is not y." The use of these letters is generally derived from the vowels of the two Latin verbs affirmo (or AIo), "I assert," and nego, "I deny." The use of the symbols dates from the thirteenth century, though some authorities trace their origin to the Greek logicians.
In symbolic logic, the symbol ? (an inverted letter A) is the universal quantifier.

In mathematics, A stands for area of geometric figures. A is often used as a digit meaning ten in hexadecimal and other positional numeral systems with a radix of 11 or greater, blackboard bold (?dd38 in Unicode) sometimes represents the algebraic numbers.

In the On-Line Encyclopedia of Integer Sequences, each sequence has an ID consisting of the letter A and six base 10 digits.

In medicine, A (also, A+ or A-) is one of the human blood types.
In music,

A is a Pitch class or note, see A (musical note).

A, or "side A," refers to the top or first side of a vinyl record.

A is a British rock band

A is an album by Jethro Tull

A is an album by Cass McCombs; see A (Cass McCombs album).

In nutrition, A is a vitamin.

In photography, most SLR cameras use A to signify aperture priority mode, where the user sets the aperture and the camera determines the shutter speed.

In physics, A can stand for the mass number of an atom.

In poetry, A is the major work of influential twentieth century author Louis Zukofsky.

In political theory, a circumscribed "A" is an anarchist symbol.
As the first letter of a postal code,

In Canada, A stands for Newfoundland and Labrador.
In radio,

the NATO A band ranges below 0.25 GHz.

On the serial numbers of United States dollars, A identifies the Federal Reserve Bank of Boston.

In the SI system of units, A is the symbol for the ampere or amp, the SI base unit of electric current. a, atto, is the SI prefix meaning 10-18. a is the symbol for one year, from the Latin annum.a is also the deprecated symbol for the are, a unit of surface area equal to 100 square metres.

In Spanish, A means to or towards.

In some sports, A is an abbreviation for Assists.

In Christian theology, alpha is a metaphor for the beginning/creation of time and matter. It is sometimes translated to A.

As a timezone, A is the military designation for Coordinated Universal Time+1, also known as CET or Central European Time.

Topographically, A is used to describe an object shaped like the capital letter A, such as an A-frame.


what i can find

Answer 5

Exactly what 69 Mach 1 said

Answer 6

It's just an easier way for younger kids to understand how well they did(especially when in elementary school, some grades haven't learned % yet), as they change your grades to percentage once you reach high school and are old enough to understand and exactly how well you did is more relevant.

Answer 7

Old Style System. "I was a Grade A + student in middle school but later became a B- by senior year." It was a generallized way of identifying a student.

Answer 8

A: above average'
B: average
C: below average
D: danger of failing
F: failing

Answer 9

Well basically it's marking system... dont go thinking about it
A- excellent
B- good
C-average
D-below average
E-danger of fail
F-fail

Answer 10

They are just marks that is in descending order in the alphabet

Answer 11

okay its not going to coincide..

But,

A= excellent
B= Good
C= Average
D= Poor
F= Failing