Spreadsheets, Surveys, And Graphs
What is a spreadsheet?
A spreadsheet is a grid. It works as a digital ledger.
A spreadsheet opens as a workbook. A workbook has many worksheets.
The grid is composed of rows (horizontal) and columns (vertical).
The rows & columns intersect to make a Cell.
Formula bar Name Box Scroll bars worksheet cell Columns 16,384 Rows 1,048,576
Information/data is entered in each cell. 1.Text (constants) 2.Number data(constants) 3.Formulas (math)
Why use a spreadsheet?
Organize data.
Create charts and graphs.
Enter formulas to calculate.
1. + Sums 2. - Differences 3. * Products 4. / Quotients
5.Averages 6.Means, median, modes 7.Minimum, Maximum, Count 8.And many more!
Formulas
Functions with Spreadsheets A function or formula is a set of instructions for calculating a value in a spreadsheet cell. Functions always consist of 3 things:
1. EQUALS SIGN = An equals sign always precedes any instruction. =8*4
2. INSTRUCTIONS The instructions to process that data. For example, you can write a function for each of the arithmetic operations (+, -, *, /).
3. DATA The numbers you type in the formula and values in other cells, OR… The cell locations used in the formula.
Scroll bars worksheet cell Columns 16,384 Rows 1,048,576
Addition + Subtraction - Multiplication * Division /