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Introduction to Electronic Spreadsheets
Unit 3
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A spreadsheet is a sheet that contains a
large number of rows and columns
Spreadsheets
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Row 2
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Row 3This is a Cell
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This Cell is identified as
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The intersection of a row and a column is called a cell
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Electronic Spreadsheet
Electronic Spreadsheet Contained Large Numberof columns and rows
Multiple worksheets can be collected in to a file called a workbook.
Its looks like Table
Helps to arrange number in a formal way of mathematic.
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Electronic Spreadsheet
Can use for mathematical, financial, statistical & Scientific Calculation
Helps to analysis data using
Sorting,
Filtering
Charts
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Various Spreadsheet Packages
The first spreadsheet Package was VisiCalc
VPP 3D
Lotus 1-2-3
SuperCalc
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MS Excel is a windows-based spreadsheet developedby the Microsoft Corporation It Provides all features of a spreadsheet package like Calculations
Graphs
Functions
Statistical
Financial
Scientific
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1 Click Here
3 Click Here
2 Select
How To Start Ms Excel
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Double Click
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Title Bar
Menu Bar
Formatting Tool Bar
Standard Tool Bar
Formula Bar
Name Box
Active Cell
Sheet Tab
Ms Excel
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Data or a Formula can be entered in the cell.A spreadsheet allows detailed numerical analysis of data such as mathematical calculations
•Addition (+)
•Subtraction (-)
•Division (/)
•Multiplication(*)
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Microsoft Excel
Can use for mathematical, financial, statistical & Scientific Calculation
Helps to analysis data using
Sorting,Filtering
Pivot table
Charts
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Microsoft ExcelSorting,
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Microsoft Excel
Filtering
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Microsoft Excel
Charts
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Microsoft Excel
Pivot table
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•In a spreadsheet program, work is carried out in a document called a worksheet. Multiple worksheets can be collected in to a file called a workbook.
The Spreadsheet Interface
•Each cell has a unique address
•Start with column heading followed by the row number Eg A4
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C6
E6:E7
G6:H9
Cell & Range Addressing Or References
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Four types of data can be entered in worksheet cells
Types of Data
• Formulas
• Dates & Time
• Number
• Text
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• Text
•Texts not used in calculations
Eg.10xy, 127NH, A12-976, 208 4675.
Text is any combination of numbers, spaces, and nonnumeric characters
All text is left-aligned in a cell.
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• Text
To have Excel interpret numbers such as part numbers as text, first apply the Text format to empty cells, and then type the numbers.
Entering numbers as text
Or Type “ ‘ ” before number then press enter
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• TextEntering numbers as text
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• TextEntering numbers as text
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• Numbers
A number can contain only the following characters:
Excel ignores leading plus signs (+) and treats a single period as a decimal. All other combinations of numbers and nonnumeric characters are treated as text.
0 1 2 3 4 5 6 7 8 9 + - ( ) , / $ % , E e
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• Numbers
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• Numbers
The General number format
In cells that have the default General number format, Excel displays numbers as integers (789), decimal fractions (7.89), or scientific notation (7.89E+08)if the number is longer than the width of the cell.The General format displays up to 11 digits, including a decimal point and characters such as "E" and "+."
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• Numbers
15-digit limit Excel stores numbers with up to 15 digits of precision.
If a number contains more than 15 digits,Excel converts the extra digits to zeros (0).
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• Date & Time
Dates and times are numbers Microsoft Excel treats dates and times as numbers.
2. To enter a time based on the 12-hour clock, type a space and then a or p after the time; for example, 9:00 p. Otherwise, Microsoft Excel enters the time as AM.
1. Use a slash or a hyphen to separate the parts of a date Eg. 9/5/2002 or 5-Sep-2002.
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• Date & Time
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• Date & Time
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• Date & Time
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• Date & Time
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• Formula
Formulas are equations that perform calculations on values in your worksheet. Formula used to performs arithmetic operations, such as adding numbers together.
Click the cell in which you want to enter the formula.Type = (an equal sign). Then Enter the formula
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• Formula
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• Formula
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• If a formula uses a value in another cell, the formula contains a cell reference, or the address of the referred cell.
=A1+A2*3
End ShowA function is a predefined formula, which the spreadsheet provides to perform a specific type of calculation. You provide arguments that tell the function what data to use.
End ShowA function is a predefined formula, which the spreadsheet provides to perform a specific type of calculation. You provide arguments that tell the function what data to use.
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