FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Lotus 1-2-3 was a spreadsheet program developed by Lotus Software, which is now part of IBM, and was first released on January 26, 1983. Lotus 1-2-3 was not the first spreadsheet application, but because of its capabilities it became the industry standard throughout the 1980s and ‘90s.

Detailed explanation-2: -Microsoft Excel and Lotus 123 are both spreadsheet software that deal with data. Both software programs seem to perform data manipulation with generally the same functions. Formula entering in Excel needs to have the equals sign (=) first before the formula. Lotus 123 does not need the equals sign before the formula.

Detailed explanation-3: -Microsoft Excel as part of the Microsoft Office suite and cloud-based subscription service Microsoft 365 (formally Office 365).

Detailed explanation-4: -Instead of using a calculator, use Microsoft Excel to do the math! You can enter simple formulas to add, divide, multiply, and subtract two or more numeric values. Or use the AutoSum feature to quickly total a series of values without entering them manually in a formula.