Sum in Excel – 4 different forms
Sum in Excel is the most common operation in a spreadsheet. There are at least…
History of electronic spreadsheets: Excel, Lotus123 and VisiCalc
Electronic spreadsheet is a table made in a computer that performs calculations, plot charts and…
What is electronic spreadsheet? What is a spreadsheet for?
Electronic spreadsheets are tables composed by columns (vertical) and rows (horizontal), that has the function…