ABS
 =ABS(number)
 Returns the absolute value of a number.

ACOS
 =ACOS(number)
 Returns the arccosine or inverse cosine of a number. The arccosine is the angle whose cosine is a number.

ACOSH
 =ACOSH(number)
 Returns the inverse hyperbolic cosine of a number.

ASIN
 =ASIN(number)
 Returns the arcsine, or inverse sine of a number.

ASINH
 =ASINH(number)
 Returns the inverse hyperbolic sine of a number.

ATAN
 =ATAN(number)
 Returns the arctangent, or inverse tangent of a number.

ATAN2
 =ATAN2 (x_num,y_num)
 Returns the arctangent, or inverse tangent of the specified x and y coordinates.

ATANH
 =ATANH(number)
 Returns the inverse hyperbolic tangent of a number between –1 and 1.

CEILING
 =CEILING(number, significance)
 Returns number rounded up, away from zero, to The nearest multiple you specify.

COMBIN
 =COMBIN(number, number_chosen)
 Returns the total number of combinations for a given number of items.

COS
 =COS(number)
 Returns the cosine of a given angle.

COSH
 =COSH(number)
 Returns the
hyperbolic cosine of a number.

COUNTIF
 =COUNTIF(range,criteria)
 Counts the number of cells in a specified range that meet criteria you specify.

DEGREES
 =DEGREES(angle)
 Converts radians into degrees.

EVEN
 =EVEN(number)
 Returns a number rounded up to the nearest integer.

EXP
 =EXP(number)
 Returns E (which equals the base logarithm constant of 2.71828182845904) raised to the power of a number you specify.

FACT
 =FACT(number)
 Returns the factorial of a number.

FACTDOUBLE
 =FACTDOUBLE(number)
 Returns the double factorial of a number.

FLOOR
 =FLOOR(number, significance)
 Rounds number down, toward zero, to the nearest multiple you specify.

GCD
 =GCD(number1,number2,…)
 Returns the greatest common divisor of two or more integers.

INT
 =INT(number)
 Rounds number down to the nearest integer (no decimals).

LCM
 =LCM(number1,number2,…)
 Returns the least common multiple of integers.

LN
 =LN(number)
 Returns the natural logarithm of a number.

LOG
 =LOG(number,base)
 Returns the logarithm of a number to the base you specify.

LOG10
 =LOG10(number)
 Returns the base 10 logarithm of a number.

MDETERM
 =MDETERM(array)
 Returns the matrix determinant of an array.

MINVERSE
 =MINVERSE(array)
 Returns the inverse matrix for the matrix stored in an array.

MMULT
 =MMULT(array1,array2)
 Returns the matrix product of two arrays.

MOD
 =MOD(number,divisor)
 Returns the remainder after number is divided by divisor.

MROUND
 =MROUND(number,multiple)
 Returns number rounded to the desired multiple.

MULTINOMIAL
 =MULTINOMIAL(number1, number2,…)
 Returns the ratio of the factorial of a sum of values to the product of factorials.

ODD
 =ODD(number)
 Returns number rounded to the nearest odd integer.

PERMUT
 =PERMUT(number, number_chosen)
 Returns the number of permutations for a given number of objects that can be selected from number objects.

PI
 =PI()
 Returns the number 3.14159265358979, the mathematical constant pi, accurate to 15 digits. There are no arguments associated with this function.

POWER
 =POWER(number,power)
 Returns the result of a number raised to a power.

PRODUCT
 =PRODUCT(number1, number2,…)
 Multiplies all the numbers given as arguments and returns the product.

QUOTIENT
 =QUOTIENT(numerator, denominator)
 Returns the integer portion of a division, discarding the remainder.

RADIANS
 =RADIANS(angle)
 Converts degrees to radians.

RAND
 =RAND()
 Returns an evenly distributed number greater than or equal to 0 and less than 1. There are no arguments associated with this function.

RANDBETWEEN
 =RANDBETWEEN(bottom,top)
 Returns a random number between the numbers you specify.

ROMAN
 =ROMAN(number,form)
 Converts an Arabic numeral to Roman, as text.

ROUND
 =ROUND(number,num_digits)
 Rounds a number to a specified number of digits.

ROUNDDOWN
 =ROUNDDOWN(number, num_digits)
 Rounds a number down toward 0.

ROUNDUP
 =ROUNDUP(number,
num_digits)
 Rounds a number up, away from 0.

SERIESSUM
 =SERIESSUM(x,n,m, coefficients)
 Returns the sum of a power series based on the mathematical SERIES formula, which can be found in Excel's SERIESSUM help topic.

SIGN
 =SIGN(number)
 Determines the sign of a number, returning a 1 for positive, a 0 for zero, and a –1 for negative.

SIN
 =SIN(number)
 Returns the sine of the given angle.

SINH
 =SINH(number)
 Returns the hyperbolic sine of a number.

SQRT
 =SQRT(number)
 Returns the positive square root of a number.

SQRTPI
 =SQRTPI(number)
 Returns the square root of (number*pi).

SUBTOTAL
 =SUBTOTAL(function_num, ref1,ref2,…)
 Calculates a subtotal from a range based on 11 different functions: AVERAGE, COUNT, COUNTA, MAX, MIN, PRODUCT, STDEV, STDEVP, SUM, VAR, and VARP.

SUM
 =Sum(number1,number2,…)
 Adds the numbers in a range or multiple ranges of cells.

SUMIF
 =SUMIF(range,criteria, sum_range)
 Adds the numbers in a range based on criteria you specify.

SUMPRODUCT
 =SUMPRODUCT(array1, array2,array3,…)
 Multiplies corresponding components in the given arrays, and returns the sum of those products.

SUMSQ
 =SUMSQ(number1, number2,…)
 Returns the sum of the squares of the arguments.

SUMX2MY2
 =SUMX2MY2(array_x,array_y)
 Returns the sum of the difference of squares of corresponding values in two arrays.

SUMX2PY2
 =SUMX2PY2(array_x,array_y)
 Returns the sum of the sum of squares in corresponding values in two arrays.

SUMXMY2
 =SUMXMY2(array_x,array_y)
 Returns the sum of squares of differences of corresponding values in two arrays.

TAN
 =TAN(number)
 Returns the tangent of the given angle.

TANH
 =TANH(number)
 Returns the hyperbolic tangent of a number.

TRUNC
 =TRUNC(number,num_digits)
 Truncates number to an integer, removing the fractional part of the number. Unlike the INT function, TRUNC does not round down.
