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Common Functions.ppt
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Functions
=Sum(A1:B3,5)
FormulaStructure
Equalsign
Function
name
argumen
ts
are predefined formulas thatperform calculations by usingspecific values, called arguments, ina particular order, or structure.
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Arguments can be:
Numbers
Textlogical values, such as TRUE or FALSE
cell references
other functions
=Sum(A1:B3,
5)
Formula
Structure
Equalsign
Functionname
arguments
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Basic Excel formula
C2 =A2+A3+A4+B2+B3+
B4Function formula
C2 =Sum(A1:B4)
Supposed we are to
get the sum of allthe values ofColumn1 andColumn2
Example:
A B C
1 column1 column2Sum
2 1 2
3 3 4
4 5 6
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Sum Adds a list of numbers.
Average Calculates the average value of a listof numbers.
Count Calculates the number of values in alist
Max Finds the largest value in a list ofnumbers.
Min Finds the smallest value in a list ofnumber.
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By Using the function button.
By typing the function yourself.
Similar with formula, select the cell where youwant the result to appear.
Then type the equal sign (=), enclose the cellreferences in parentheses ( ) and separate thecell references with commas (,) or a colon (:).
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Common Errors Encountered when Using MS Excel
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##### - The column is too narrow to display the result of the calculation.
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Error!
Errors in Formulas Circular Reference means the entered cell values is the
same location where the formula is entered
E2
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#DIV/0 The formula divides a number by zero (0).
Excel considers a blank cell to have a value of zero.
#Name? The formula contains a function name orcell reference Excel does not recognize. Like incorrect
typing of a cell reference.
#Ref! Means that the formula refers to a cell that is
not valid. Like a row containing a cell used in the
formula was deleted.
Errors in Formulas
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#Value! Means the formula refers to a cell that Excel cannot use in acalculation. Like when the data in a cell used in the formula contains text.
#N/A Value not available.
#Num! Invalid number values
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Adds all the numbers in a range of cells.
Syntax:
SUM(num1,num2,)
Where:num1,num2, are 1 to 30 arguments for which
you want the total value or sum.
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Note:If an argument is an array or reference, only numbers in that
array or reference are counted. Empty cells logical values,
text, or error values in the array or reference are ignored.
Example:
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Returns the average of the arguments.
Syntax:
AVERAGE(num1,num2,)
Where:num1,num2, are 1 to 30 arguments for which you
want the average
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Note:
The arguments must be either numbers, names, reference
that contain numbers.
If an array or reference argument contains text, logical
values, or empty cells, those values are ignored; however,
cells with the value zero are included.
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Returns the largest value in a set of values.
Syntax:
MAX(number1,number2,...)
Where:number1, number2, ... are 1 to 30 numbers for
which you want to find
the maximum value.
Example
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Returns the smallest number in a set of values.
Syntax
MIN(number1,number2,...)
Where:
Number1, number2, ... are 1 to 30 numbers for which yo
want to find the minimum value.
Example
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Searches for a value in the leftmost column of the table, and
then returns a value in the same row from a column
specified in the table.
Syntax:
VLOOKUP(X,Y,Z)
Where:
X is the value to be found in the first column of the
array. X can be a value, a reference, or a text string.
Y is the table of information in which data is looked up.
Use a reference to a range or a range name.
Z is the column number in Y from which the
matching value must be returned.9/28/2008Ms. Jennifer Ventus
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Example
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returns one value if a condition specified evaluates to TRUE
and another value if it evaluates to FALSE.
Syntax:
IF(X,Y,Z)
Where:
X is the value or expression that can be evaluated to
TRUE or FALSE.
Y is the value that is returned if X is TRUE.
Z is the value that is returned if X is FALSE.
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If average
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Counts the number of cells within a range that meet the
given criteria.
Syntax
COUNTIF(range,criteria)
Where:Range is one or more cells to count, including
numbers or names, arrays, or references that
contain numbers. Blank and text values are
ignored.
Criteria is the criteria in the form of a number,
expression, cell reference, or text that defines
which cells will be counted. For example,
criteria can be expressed as 32, "32", ">32",
"apples", or B4.
Example
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COPY OF THIS PRESENTATION IS AVAILABLE AT OUR YAHOO GROUPS
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Common Functions.ppt