If you experience internet connectivity problems, such as trouble using Mathematica's integrated data functions, try following the troubleshooting techniques described below. ...

If the front end activation dialog box appears when you launch Mathematica, either Mathematica could not locate the mathpass file or there was no valid password in the ...

The following techniques are useful for debugging problems with client connections to the license server. MathLM will not start if it cannot find the password file. In that ...

Moving through Expressions Selecting and Deleting in Expressions Typing Fractions

Basic two-dimensional graphics elements. Here is a line primitive. This shows the line as a two-dimensional graphics object.

When you install a MathLink-compatible external program using Install, the program is set up to behave somewhat like a simplified Mathematica kernel. Every time you call a ...

Four underlying types of numbers are built into Mathematica. Intrinsic types of numbers in Mathematica. Rational numbers always consist of a ratio of two integers, reduced to ...

Start with the expression that will be the numerator. Type x. Create a built-up fraction by pressing the Control and / keys at the same time. The placeholder in the ...

Choose Insert > Table/Matrix > New. Use the dialog box that pops up to create a matrix. Suppose the entry in the top-left position is selected.

Type the expression that will have an overscript. Type x. Create an overscript by pressing the Control key and the 7 key at the same time.