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mobile/web/reference/API/subtractassign.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<root>
+<name>-= (subtract assign)</name>
+
+<category>Math</category>
+
+<subcategory>Operators</subcategory>
+
+<usage>Web &amp; Application</usage>
+
+<example>
+<image></image>
+<code>
+int a = 50;
+int b = 23;
+a -= b; // sets "a" to 27
+</code>
+</example>
+
+<description>
+Combines subtraction with assignment. The expression <b>a -= b</b> is equivalent to <b>a = a - b</b>. 
+</description>
+
+<syntax>
+<c>value1</c> -= <c>value2</c>
+</syntax>
+
+<parameter>
+<label>value1</label>
+<description>int or float</description>
+</parameter>
+
+<parameter>
+<label>value2</label>
+<description>int or float</description>
+</parameter>
+<returns></returns>
+
+<related>
++= (add assign)
+- (minus)
+</related>
+
+<availability>1.0</availability>
+
+<type>Operator</type>
+
+<partof>Core</partof>
+
+
+
+</root>