Subscripts, Bars, and Other Modifiers (Mathematica Tutorial)

Here is a typical palette of modifiers. Mathematica allows you to use any expression as a subscript. Unless you specifically tell it otherwise, Mathematica will interpret a ...

Typing Square Roots (Mathematica Tutorial)

To get a square root sign, press the Control key and the 2 key at the same time. Press Ctrl+2 or Ctrl+@. Type inside the placeholder (which is already selected).

Typing Underscripts (Mathematica Tutorial)

Type the expression that will have an underscript. Type x. Create an underscript by pressing the Control key and the 4 key at the same time.

SQLRollbackTransaction (DatabaseLink Symbol)

SQLRollbackTransaction[conn] terminates an SQL transaction. SQLRollbackTransaction[conn, savepoint] returns to an SQLSavepoint.

SQLSetSavepoint (DatabaseLink Symbol)

SQLSetSavepoint[conn, name] creates a savepoint to be used as part of an SQL transaction.

Java Connection Management (JLink Guide)

Launching Java, InstallJava -- launch the Java runtime and prepare it for use from Mathematica, ReinstallJava -- quit and restart the Java runtime, UninstallJava -- quit the ...

AllowRaggedArrays (JLink Symbol)

AllowRaggedArrays[True] lets you pass ragged (i.e., non rectangular) arrays to Java. AllowRaggedArrays[False] restores the default behavior.

BeginJavaBlock (JLink Symbol)

BeginJavaBlock[] begins an evaluation block equivalent to a JavaBlock, except that it works across a larger span than the evaluation of a single expression.

ClassName (JLink Symbol)

ClassName[javaclass] returns, as a string, the fully qualified name of the specified JavaClass. ClassName[javaobject] returns the fully qualified name of the Java class of ...

DoModal (JLink Symbol)

DoModal[] does not return until the Java side sends an expression of the form EvaluatePacket[EndModal[args]].