First of all select the Global from the option menu

When you select the global then following window open

From this window at point A you can select the automatic or manual system for the decimals from b you can change the decimal are required

From here we can check of the quantity and the page length as we want

From this window we can check our spell and we have option that we can automatically correct the spell and system can tell about the mistakes at once and at the time of closing and saving the data