Download LeaderCalc - Global FlyFisher

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Download LeaderCalc

The most comprehensive tool for calculating classical and contemporary leaders - and designing your own formulas for knotted leaders

By Steve Schweitzer


LeaderCalc is warranted for use as developed and tested.   Microsoft Office 97 or Microsoft Excel 97 required to use LeaderCalc. Other Specific system requirements and development notes are found in the LeaderCalc help document. Links to all required files found below.

NOTICE: Direct all user comments, feedback and problem reports to:

(type in your email client what you see below)

Due to volume of emails received via this site, S. Schweitzer and The Global Fly Fisher cannot respond to all emails.  Problem or error reports will take priority.


LeaderCalc and this article (Files) are copyrighted property of S. Schweitzer and The Global Fly Fisher (GFF), 1999.  The Files are designed for personal use and are distributed free-of-charge for a single personal use installation.  At no time will the Files be made available or packaged for resale.  The Files are exclusive property of GFF and are to be exclusively distributed by GFF and may not be distributed in part or in whole by any other electronic means, including but not limited to, personal website distribution, diskette or re-writeable CD-ROMs. Hyperlinks to GFF to access the Files from personal websites or other HTML-based forms is acceptable.  Bulk or multiple-copy distribution rights for non-profit clubs & organizations by prior written consent only.

By downloading any version of LeaderCalc, you agree to the terms above.

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Download the original version of LeaderCalc
683 kilobytes

Download the latest version of LeaderCalc
615 kilobytes

Download GFF's Leader Guide
(a PDF Booklet)
1,077 kilobytes