EBEES INFOTRAIN CONSULTANCY SERVICES PVT. LTD.    1. SUM :       Summary      The Excel SUM function returns the sum of values supplied. These values can be numbers, cell references, ranges, arrays, and constants, in any combination. SUM can handle up to 255 individual arguments.       Purpose     Add numbers together      Return value       The sum of values supplied.      Syntax      =SUM (number1, [number2], [number3], ...)      Examples   In the example shown, the formula in D12 is:   = SUM ( D6:D10 )  // returns 9.05         2.Round() :          Summary       The Excel ROUND function returns a number rounded to a given number of digits. The ROUND function can round to the right or left of the decimal point.       Purpose     Round a number to a given number of digits      Return value     A rounded number.      Syntax      =ROUND (number, num_digits)       Arguments          number  - The number to round.  num_digits  ...