VisualCalc is an advanced programmable scientific calculator with complex, array and matrix operations and graphing.

Summary of features
* Real and complex numbers
* Arrays and matrix manipulation
* Support for conditional computations and looping
* Optionally display results in rational fraction format
* Trigonometric, logarithmic, complex, statistical, matrix functions
* Solution of linear algebraic equations
* Unlimited number of user variables
* Multiline equations with size up to 16 Kbytes
* Saving equations for further work
* Function graphs with support for tracing the graphs
* Separate display for variables and results
* Automatic calculation mode
* Ability to interrupt lengthy calculations
* Support for comments in the equation text
* Customizable fonts for editing and results

Updated Description:
* search for the specified value on the graph, compute the minimum and maximum, derivative, intersection of the graphs
* import/export a text of expressions from/to the Memo Pad
* exchange of expressions between devices