30 mini calculators are on one spreadsheet downloadable from www.dragonfly75.com/moto/various.html
You don’t even need Excel on your computer/phone. Just go to office.com and make a free account, enter and click on Excel, Blank Workbook, One Drive, My Files/(folder on your computer to look for the spreadsheet you want to use), Upload Files, then after it is uploaded into your One Drive just double click on it to use it on-line.
