Double tab Syntax Buttons

The Double tab syntax buttons indicate all the ways you can add or use a double in an expression. Clicking on one of the buttons adds the indicated syntax (minus the question marks) to your expression. In the spaces left by the question marks, enter the appropriate values.

Double Syntax Descriptions
Syntax Button	Name	Type	Description
?D	literal		Enters an object of type double. For example: `3.14159D 2E-12D -100D`
? + ?	addition	arithmetic	Adds two operands.
? - ?	subtraction		Subtracts the second operand from the first.
? * ?	multiplication		Multiplies two operands.
? / ?	division		Divides the first operand by the second.
? % ?	remainder		Returns the remainder of the first operand divided by the second.
? *= ?	multiply and assign	assignment The operand on the left of the assignment statement (the first operand) can be any type of variable, including an array component or a public class attribute.	Multiplies the first operand by the second and assigns the result to the first operand.
? /= ?	divide and assign		Divides the first operand by the second and assigns the result to the first operand.
? %= ?	remainder and assign		Divides the first operand by the second operand and assigns the remainder to the first operand.
? += ?	add and assign		Adds the first operand to the second operand and assigns the result to the first operand.
? -= ?	subtract and assign		Subtracts the second operand from the first operand and assigns the result to the first operand.
+?	unary plus	unary	The positive value of the operand.
-?	unary minus	unary	The negative value of the operand.

See the following for a summary descriptive list of all the operators you can use in the Java language:

http://java.sun.com/docs/books/tutorial/java/nutsandbolts/opsummary.html