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Frontline Systems is pleased to offer the XPRESS Solver Engine Version 8.0 for Microsoft Excel. The XPRESS Solver is a new, extraordinarily powerful, field-installable Solver Engine that "plugs into" the Premium Solver Platform for Excel, and takes advantage of its new Polymorphic Spreadsheet Interpreter. You can also use it with our Solver Platform SDK to develop applications in a programming language, for one license price!

Based on the latest version of XPRESS-MP 2006 from Dash Optimization, it extends the power of the Premium Solver Platform to handle linear programming problems with up to millions of variables and constraints, with no fixed limits on problem size -- and it's several times faster than Version 6, and nearly twenty times faster than Version 5!  It solves mixed-integer linear (LP/MIP) problems with astonishing speed -- and it supports the "alldifferent" constraint in the Premium Solver Platform.  And with the Newton Barrier Solver option, it solves large, challenging quadratic programming (QP) and mixed-integer quadratic (QP/MIP) problems with extraordinary speed.

Fully Compatible

The Premium Solver Platform is 100% upwardly compatible with the standard Excel Solver. It appears when you select the Tools Premium Solver... menu choice; you'll see a familiar Solver Parameters and Solver Options dialog with many new features. Your existing models can be solved with no changes, faster and more easily than before -- with any appropriate Solver engine for the Premium Solver Platform, including the XPRESS Solver Engine! And your VBA code designed to control the standard Solver will work as-is with the Premium Solver Platform.

Virtually Unlimited Capacity, Lightning Speed

You'll be able to solve linear programming problems ten thousand times larger than the standard Excel Solver -- with no fixed limits on variables and constraints -- using the XPRESS Solver Engine.  And you'll be amazed at the lightning-fast solution times you can obtain: Problems with tens of thousands of variables and constraints often solve in just seconds!  You'll typically solve problems several hundred times faster than the Premium Solver Platform's built-in linear programming Solver.

Breakthrough Performance on Mixed-Integer Problems

The XPRESS Solver Engine is lightning-fast on linear programming problems, but its performance on mixed-integer linear programming problems is breathtaking -- many optimization experts consider XPRESS-MP to be the world's best general-purpose mixed-integer optimizer. MIP problems that take prohibitively long -- hours or even days -- to solve, even with the Premium Solver's built-in mixed-integer strategies, will often solve remarkably quickly with the XPRESS Solver Engine -- sometimes in just seconds!

Fast Problem Setup

Large linear and quadratic programming models often spend most of their time in problem setup, then reach a solution quickly. With some work in designing your model to use certain common functions (like SUM and SUMPRODUCT), the XPRESS Solver Engine can give you a really awesome speedup -- as much as 100 times faster!

But since the XPRESS Solver Engine can use the new Polymorphic Spreadsheet Interpreter in the Premium Solver Platform to extract the LP and QP coefficients of your model, you may get most of this speed benefit without redesigning your model at all!  What's more, the coefficients are up to twice as accurate as they were without the Polymorphic Spreadsheet Interpreter.

Comprehensive User Guide

In addition to the User Guide that comes with the Premium Solver Platform, you'll receive our Solver Engine User Guide that describes several field-installable Solver engines, including the XPRESS Solver Engine.  This guide provides complete information on XPRESS Solver options, the various messages which the XPRESS Solver can return, how to diagnose problems, and how to control the XPRESS Solver from VBA in Excel, or from our Solver Platform SDK.

Order or Upgrade Today!

Prices.  The XPRESS Solver Engine V8.0 solves problems with no fixed limits on variables and constraints.  It's available with primal and dual Simplex LP/MIP Solvers, or with both primal and dual Simplex Solvers and the Newton Barrier Solver (for quadratic programming and QP/MIP problems).  For pricing information, click on Excel Software and Support Prices.  If you are ordering for several users, ask us about quantity discounts and Flexible Use Licenses.

What's Included.  The XPRESS Solver Engine supports all recent versions of Excel (Excel 2007, Excel 2003, Excel XP and Excel 2000) on Windows NT / 2000 / XP, Windows Server 2003, or Windows Vista.  It comes with a comprehensive User Guide and extensive online Help.  And, like all Frontline Systems products, it includes a 30-day money-back guarantee.

Annual Support Contracts.  An Annual Support Contract for the XPRESS Solver Engine V8.0 is required for the first year, and at all times in order to obtain software upgrades and technical support beyond basic installation assistance.  An Annual Support Contract includes:

Evaluation Versions.  If you want to "try before you buy," simply register by filling out a simple form, then download and run the V8.0 EngineSetup program.  If you don't already own the Premium Solver Platform V8.0 (which is required in order to run the XPRESS Solver Engine), you can also download and run the V8.0 PSPSetup program.  You'll receive an evaluation license code which will allow you to use a full featured, full capacity, full speed version of the Premium Solver Platform and the XPRESS Solver Engine 15 days, free of charge.  You can also download and run the V7.2 SDK Setup program, and use the Solver Platform SDK with the KNITRO Solver Engine for 15 days.

Product Upgrades.  If you own an older version of the Premium Solver Platform and the XPRESS Solver Engine, you'll receive an automatic upgrade to V8.0 at no extra charge if you have a current Annual Support Contract (if you aren't current, see our instructions for "catching up" on annual support and paying the difference in price).

Competitive Upgrades.  If you own another "Solver" product for Microsoft Excel, click here for Competitive Upgrade Prices!

Contact Us Today:  Display or print our Order Form in PDF format, send us email at info@solver.com, call us at (775) 831-0300, or send a fax to (775) 831-0314.