`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 even 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. |

`MODE` | `=MODE(``Number1,Number2,...``)` | Returns the value that appears the most times within a list or range of cell. |

`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 qnumbers 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 the difference of squares 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. |