1 <page xmlns="http://projectmallard.org/1.0/"
6 <link type="guide" xref="index#equation"/>
9 <title>Boolean Algebra</title>
12 Boolean algebra can be calculated using the AND, OR and XOR operators.
20 Buttons for these symbols are available in <link xref="mouse">programming mode</link>.
23 The NOT <link xref="function">function</link> inverts the bits in a number.
24 The word size is set from the <guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu.