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abcissa

absolute valueAbsolute value of the x-coordinate, or perpendicular distance to the y-axis. For the cartesian coordinates (x, y), the abscissa is |x|.

abundant numbersA positive number representing the distance from 0 on a number line

accelerationA number with a sum of proper divisors greater than the number itself

accountingRate of change of the velocity with respect to time. Denoted as A(t).

accounting rate of returnmeasurement and communication of financial information

accrued couponfinancial ratio used in capital budgeting

Average Return / Average Investment

accumulated valueaccrued interest is the interest on a bond or loan. The accumulation continued since the principal investment

accuracyThe total value of an investment, including principal and interest accrued

actuaryHow close a measurement is to the true value

acute angleperson who deals with the management of risk and uncertainty

addingangle measuring less than 90 degrees

adding polynomialsThe sum of elements

additionAdding two polynomials and grouping like terms

addition equalitymath operation involving the sum of elements

addition factAdding the same value to both sides of an equation does not change the equality of both sides

Addition Property of InequalityThe combinations of all sums of two 1-digit numbers

addition tableAdding the same value to both sides of an inequality does not change the equality of both sides

additive identityA table showing the values of two numbers added together

additive inversewhen you add any number to zero, the result is the original number

adjointthe number you add to (n) to get a result of zero

aerobicthe transpose of a cofactor matrix

affine cipherexertion or organism requiring oxygen

algebrasubstitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using a simple mathematical function, and converted back to a letter

algebraic expressionsStudy of symbols and rules in math

algebraic substitutionA way to write a mathematical expression from a phrase

algorithmAn algebraic expression with substitution rules for each unknown variable

alphaA process to solve a problem in a set amount of time

altitudeA letter of the greek alphabet used for math notation.

Α α

amortizationsegment from the vertex of a triangle ot the other side of the triangle

anaerobicRepayment schedule of a loan principal over time

anagramexertion or organism not requiring oxygen

angle ratio for a triangleWord or phrase formed by rearranging the letters of a different word or phrase

Angle Side AngleAn amount to express the size of each angle in relation to all three angles of a triangle

angular momentumpostulate states that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent

annual percentage raterotational force

annuityannual interest rate charged for the full year cost of borrowing money

annuity tableA stream of payments

annulusA table if interest rates and factors for annuities

ANOVAA ring shaped object, bounded by two concentric circles

antilogAnalysis of variance - statistical models used to analyze the differences among group means

apocalyptic powerinverse log calculation

y = antilog x --> 10^{x}

apothem of a pentagonA number of the form 2^{n}that contains the digits 666

apothem of a polygonline segment from the center of the pentagon to the midpoint of one of its sides

arc length of a circleline segment from the center of the polygon to the midpoint of one of its sides

arccosineDistance formed from the central angle

2πrC/360

arcsineinverse cosine function of x when -1?x?1

arctangentinverse sine function

areainverse tangent function

area codeNumber of square units covering the shape

area of a circlenumbering plan to classify each region in a calling area

area of a hexagonNumber of square units covering a circle

πr^{2}

area of a kiteNumber of square units covering a hexagon

area of a pentagonNumber of square units covering a kite

area of a polygonNumber of square units covering a pentagon

area of a rectangleNumber of square units covering a polygon

area of a rhombusNumber of square units covering a rectangle

area of a squareNumber of square units covering a rhombus

area of a trapezoidNumber of square units covering a square

area of equilateral triangleNumber of square units covering a trapezoid

area of the sector of a circlesqrt(3)s^{2}/4

arithmetic annuityNumber of square units covering a circle sector

arithmetic perpetuityA finite stream of payments with a first payment P, and each successive payment increasing by r

arithmetic sequenceA infinite stream of payments with a first payment P, and each successive payment increasing by r

ASAA set of numbers starting with a number n, and each successive number adds an amount (r)

asciiAngle Side Angle. Another trigonometry postulate. If the corresponding two angles and included side are equal on 2 triangles, then both triangles are congruent.

assetAmerican Standard Code for Information Interchange, is a character encoding standard for electronic communication

Associative Property of AdditionResources of value in accounting. Land, Equipment, Cash are examples

Associative Property of MultiplicationA property stating the addition of numbers is the same regardless of grouping

ASVABA property stating the multiplication of numbers is the same regardless of grouping

atomic weightArmed Services Vocational Aptitude Battery - Aptitude test for the military

automorphic numbersmass of an atom

averageA number with a square ending in the same digit as the original number

Example: 5^{2}= 25

Average Accounts ReceivableA number expressing the central value of a set

Average Collection PeriodExpected number of accounts receivable for a period

average deviationNumber of days between a sale credit and collection from the customer

average inventoryMean of the absolute values of the distance from the mean for each number in a number set

axiomexpected inventory balance in a period

0.5(Beginning Inventory + Ending Inventory)

axis of symmetryA statement accepted as true without proof

A line dividing a parabola into two equal halves. Both halves represent reflections of each other