To increase the size of the displayed font, perform one of the following actions
Select the Font Bigger command from the Options menu.
Press Ctrl+1.
The font size is then doubled (that is, increased by a factor of 100 percent).
You can repeat this action once more if you want the displayed font to be 200 percent larger than the default font (that is, this command is disabled when you have selected it twice in succession).
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