Magic Squares
Magic
Squares
e. And last (finally!) click on the Protection tab; uncheck the box next to
the word Locked. Click on OK to exit.
- Fill in the nine boxes with the digits 1 – 9.
For now, it doesn’t really matter where they go. - Use AutoSum in D11.
Click on cell D11. From the tool bar at the top of the page, click on the
AutoSum icon symbol (∑). You should see cells D8:D10 highlighted, and a
formula that says: =SUM(D8:D10)
This is what you want, so press Enter.
Figure 134
Protecting cells from changes
Figure 135
Using AutoSum
to add values in
selected cells