Below is the list of Most Important 100+ Excel Functions along with its usage and formula. These Excel Functions are sub-divided into the following –

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#### Financial Functions in Excel

 FV Calculates the future value of an investment at a specified rate of interest IPMT Calculates the interest of an investment for a specific period. IRR This excel function is simply the Internal Rate of Return for your investment on a series of cash flows. MIRR It is the Modified Internal Rate of return, which returns percentage by taking into consideration both Finance Rate & Reinvestment Rate. NPER It is simply the number of installments or EMI’s required to clear off the loan. NPV Net Present Value is the value of future cash inflows and outflows by taking into consideration of present discount rate. PMT This excel function returns the per month payment required to return the loan. PPMT It returns only the principal amount for an investment or loan PRICE It returns the redemption value per 100 face value. PV It gives the present value of an investment by taking into consideration of constant interest rate and payments. RATE It returns the interest rate for an investment or loan. XIRR It returns the internal rate of return without any specific periodic period. YIELD It estimates the amount earned on security investments over a period of time.

#### Logical Functions in Excel

 AND If all the supplied condition are true it will return TRUE or else FALSE. IF This tests the logic given, it the condition is true then we can get whatever the result we want if FALSE also we can other than TRUE result value. IFERROR This returns the specific value if the applied formula returns an error result. NOT This works indirectly, if the value is TRUE it will result in FLASE and if the result is FALSE it will return TRUE. OR This is just like AND function in excel but if any one of the supplied is true it will return TRUE. TRUE This is the formula to get TRUE value without manual typing

#### Text Functions in Excel

 CHAR This excel function converts numbers to characters based on the American Standard Code For Information Interchange (ASCII). CLEAN It removes only non-printable values. CODE This returns the numerical code for an alphabetic word. EXACT This tests two cell values whether they are exact are not. LEFT This will get the value from the left-hand side of a string based on the number of characters we specify. LEN This excel function returns the numbers of characters in a cell. Space is also a character. MID This can fetch the data from the middle of the supplied value. PROPER This will arrange the text properly by changing the first character to an uppercase letter. REPLACE This excel function replaces the text with new text from the specified position REPT This will repeat the supplied character based on the number we specify. RIGHT This will get the value from the right-hand side of a string based on the number of characters we specify. SEARCH This will return the position of the supplied character in the specific value. SUBSTITUTE This excel function substitutes the existing character with a new character. TEXT This will convert the value to text based on the format we specify. TRIM This eliminates unnecessary spaces or trailing spaces. VALUE This will convert the numerical values which are in text format to number format.

#### Date and Time Functions in Excel

 DATE This excel function requires three elements, year, month, and day. It will format the supplied numbers as date. DAY It extracts the day number from the supplied date. EDATE It is used to get a date on the same day of the month, x months in the past or future. EOMONTH This excel function returns the end of the month for the supplied date. NOW It returns the current date and time. TIME It requires three elements, hour, minute, and second. TODAY It gives the current date. WEEKDAY It returns the weekday of the supplied date. WORKDAY This excel function returns the date from the supplied date based on the number of days we specify. YEAR This function extracts the year from the supplied date.

#### Lookup & Reference Functions in Excel

 ADDRESS This will create the cell reference or address of the cell as text value. CHOOSE This excel function chooses the value from various values. COLUMN This function returns the selected column number COLUMNS It will return how many columns are selected GETPIVOTDATA It extracts data from the pivot table from the specified row and from the specified column HLOOKUP It extracts data which is there horizontally based on the lookup value. HYPERLINK This creates a URL to open the data which is where your PC or laptop. INDEX It returns the value from lookup value. INDIRECT This indirectly refers to the other cell from a different cell. LOOKUP It looks for a value in one row and one column MATCH This returns the row number of a lookup value from the array. OFFSET This function returns a reference to a range. ROW Returns the first-row number in the reference provided Transpose This function is used to switch cells between rows and columns. VLOOKUP This excel function returns the value of a lookup value from another table which is there vertically.

#### Math Functions in Excel

 ABS This function converts all the negative numbers to positive numbers. AGGREGATE This excel function supplies some of the important formulas like Average, Count, Max, Min, and many other functions by ignoring error values CEILING Returns a rounded number based on a multiple significance. COMBIN This function returns the number of combinations for a specified number of items. EVEN This excel function converts all the odd numbers to even numbers. EXP It raises the supplied number to the power of e. INT This function is responsible for returning a number’s integer portion. LN This function is used to calculate the natural logarithm of a number. LOG It returns the logarithm of a number to the base user gives ODD This function converts all the even numbers to ODD numbers. POWER This function raises the base number to a different number of times at the top of the base. PRODUCT This function simply do the multiplication of two supplied numbers. RAND It returns values which are greater than zero but less than 1. This is a volatile function. ROUND It either rounds up or rounds down to a specified number of decimals. ROUNDUP This excel function rounds the given floating point number to a number of decimal places provided. ROUNDDOWN To round off the given number, this function is used. SIGN This function calculates the sign of a supplied number. SIN This function calculates the SIN of an angle SQRT Find a number of positive square roots SUBTOTAL This function ignores all the hidden rows and gives the calculation only for the visible rows. SUM This excel function adds all the numerical values which are there in the range. SUMIF This function adds the numbers based on the single criteria given by the user. SUMPRODUCT This function simultaneously does the summation as well as multiplication corresponding to the values. TAN This function returns the tangent of an angle. TANH TANH function gives the hyperbolic tangent of a given number and the number is considered as an angle to radians.

#### Statistical Functions in Excel

 AVERAGE This excel function returns the average value of the supplied numbers. CORREL This is nothing but a correlation between two data sets. COUNT This function counts all the numerical values in the supplied range. COUNTIF This excel function counts only the value w specify F.TEST This function is used to decide if two populations having normal distribution have similar variances or the standard deviation. FORECAST This function calculates or estimates the sales values based on the previous trends. FREQUENCY This excel function shows how often a certain value is occurring in an array GROWTH It calculates the exponential growth of given numbers based on two data sets. LARGE It is responsible for returning the nth largest value from a given set of values in the spreadsheet. LINEST It is used to calculate a line’s stats. MAX This function is given the maximum value from the supplied numbers. MEDIAN This function returns the middle value of the supplied numbers. MIN This function is given the minimum value from the supplied numbers. MODE This excel function returns the MODE for each set of data. NORMDIST It estimates the probability of the variables plotting below or above a certain value. NORM.S.INV This is the inverse of standard normal cumulative distribution. PERCENTILE This function returns the nth percentile of the set of values supplied. QUARTILE This function in excel is used to find the different quartiles of a data set. SLOPE This function calculates how steep the line is SMALL This function returns the nth smallest value of the set of values supplied. STDEV.S SD shows how data spread outs among data points. T.TEST This function in excel calculates the probability associated with the T-test of the student. TREND This function calculates the linear trend according to the given linear data set.

#### Information Functions in Excel

 ISBLANK This examines whether the supplied value is blank or not. ISERROR This examines whether the supplied value is an error or not. ISNA This examines whether the supplied value is equal to #N/A or not. ISNUMBER This function in excel tests whether the supplied value if a number or not.