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**Digital Communication Systems**

Spreadsheet Fundamentals

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**Spreadsheet . . . ROW COLUMN**

a program that allows you to use ROWS and COLUMNS of data to manage, predict, and present information. ROW COLUMN

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**Uses of Computer Spreadsheets**

School student grades payroll class sizes schedules Sports individual and team statistics current and future budgets

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**Uses of Computer Spreadsheets, cont’d**

Personal checkbook household expenses investments income taxes Business payroll investments inventory product sales delivery

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**Uses of Computer Spreadsheets, cont’d**

Government Taxes Census Loans Investments budgets

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**Spreadsheet Terms Active Cell - The cell ready for data entry.**

Alignment - When data is entered into a cell, the default alignment is labels to the left and values to the right. Cell - Intersection of a row and column and is identified by a cell reference. Cell range - A selected group of cells that form a rectangle

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**Spreadsheet Terms, cont’d.**

Cell reference - The column letter and the row number. Example: B12 Column - Identified by letters that appear at the top of the spreadsheet. (Vertical) Formula - Equations with symbols for math operations. Example =B6+B7+B8+B9 Function - Special formulas that do not use operators to calculate a result. i.e. A shortcut formula. Example: =sum(A6:A9)

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**Spreadsheet Terms, cont’d.**

Label - Text, symbols, dates, or numbers not used in calculations. Rows - Identified by numbers on the left side of the spreadsheet. (Horizontal) Spreadsheet - A program that allows you to use rows and columns of data to manage, predict, and present information. Value - A number entered into a spreadsheet cell that will be used for calculations

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**Spreadsheet Terms Cell (B3) Intersection of a row and a column Value**

A number entered on a spreadsheet and used for calculations Label Text, Symbols, dates, or numbers not used in calculations Formula An equation with symbols for math operations B4+B5+B6+B7+B8

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**Average….averages the range**

More Terms Range (B4:B8) A block of cells Functions Shortcut formulas Sum(B4:b8) Sum….Adds the range Average….averages the range

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**Formulas . . . Four Basic Calculations**

A tool for making calculations with the numbers on your spreadsheet Four Basic Calculations Add + A1+B1 Subtract - C3-D4 Multiply * B6*A2 Divide / F1/F3

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Order of Operations You can also use parenthesis in your calculations where the order of operations is completed first: (A1+A2)*(B7/D4) (7+11)*(4/2) 18*2 36

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**Function-Shortcut formula**

SUM function will add all numbers in a range Range=(B4:B8) Function

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**Function-Shortcut formula**

Average (avg) function averages all numbers in a range Range Function

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