Microsoft® Excel®

© 2011 Project Lead The Way, Inc.Aerospace Engineering

• First developed in 70s– VisiCalc

• Dan Bricklin and

Bob Frankston

– Operated on Apple II– Not patented

• Excel based on earlier spreadsheet

Spreadsheet Programs

Purpose of a Spreadsheet• Store raw data• Make calculations• Analyze data• Create charts to represent data

Basics of Excel

• Column labels are letters – A, B, C

• Row labels are numbers – 1, 2, 3

• A cell is the intersection of a column and row – C12

• Worksheet – all of the cells on a “page”

• Workbook– collection of worksheets– Excel file

Basics of Excel• Change worksheet name

– Double click on sheet name– Type new name– Enter

Store Raw Data

• Create appropriate heading(s) for data

• Input data– Type by hand– Copy from electronic

table• Data array

– Row– Column– Table

Input height data as shown.

Calculations

• Cell designations used to indicate values

• Order of operations Parentheses ( ) Exponents ^ Multiply * Divide / Add + Subtract –

Formula Bar

( 62 +1)2

∙3+1003 41648148

Calculations

• Always begin with =• Use arrow keys or

click in cell to select cells for values in formula– Arrow left to A5– Type +– Arrow left to B5– Type /– Type 12– Enter

Formula Bar

Input a formula to calculate height in decimal feet for the first data entry.

Calculations

• To copy a formula– Select cell to copy– Right click– Copy– Select the range of

cells to copy to– Right click– Paste

Create a heading and copy formula to appropriate cells.

Raw Data and Calculated Values

• Format cells– Select data range– Right click within range– Select Format Cells– Adjust format

• Number– Decimal places

• Alignment– Horizontal

Change format of height to 2 decimal places.

Calculations• Functions

– Defined mathematical calculation

Function Excel command

Addition of numbers SUM

Mean AVERAGE

Median MEDIAN

Standard Deviation (population) STDEV.P

Mode (unimodal) MODE.SNGL

Minimum MIN

Maximum MAX