Flow Calc • 365 - Features

Flow Calc • 365 is an advanced and powerful hydraulic software calculator for open channel flow using the Manning Equation for regular and irregular channel geometries for steady uniform flow including circular and elliptical pipes.

Civil Engineers worldwide have found Flow Calc to be a useful tool for quick calculation results and professional reports.

John R. Hamilton, P.E., is a Professional Civil Engineer in the State of Nevada, an avid computer programmer, and is owner of the Civil Engineering firm
John R. Hamilton Enterprises, Inc.

Flow Calc • 365 is recognized by its intuitive user interface, dynamic modeling capabilities, and its overall simplicity while delivering on complex computational results.

New Features

• NEW Online License Management Tool
• NEW Redesigned user interface throughout with added features for improved workflow
• NEW Wizards and Templates for improved workflow
• NEW Multi-Threaded CPU Perfomance
• NEW Quick Calculator for minor variable changes and quick visual on-screen channel comparison
• NEW Batch printing that greatly improves workflow
• NEW Custom Watermarks for all reports
• NEW Expression Builder to include calculated results in the Channel Title for reports
• NEW Native PDF Export for all reports
• NEW Designed on the Microsoft .NET 4.8 Framework
• NEW Trusted software installation experience using SHA-256 encryption providing the highest level of security and trust with validation reputation with Microsoft Smartscreen®.
• NEW Windows® 11 Compatible

Privacy Policy / Support

John R. Hamilton, P.E. President / Principal Civil Engineer John R. Hamilton Enterprises, Inc. Email: FlowCalc@FlowCalc365.com https://www.FlowCalc365.com

Privacy Policy

Effective Date: June 2026

This application (“Flow Calc”) is an engineering calculation tool designed for professional use.

Information Collection

Flow Calc does not collect, store, or share personal information.

No personal data such as name, email address, location, or usage behavior is collected.

File Access

• File access is initiated by the user only.
• Files remain stored locally on the user’s device.
• No file contents are transmitted externally.

Licensing and Network Communication

• Secure HTTPS requests are used for license validation.
• Only minimal data (such as license key and device identifier) is transmitted.
• No personal data is collected or transmitted.
• No analytics, tracking, or telemetry is performed.

Data Storage

All application settings and configurations are stored locally on the user’s device.

No data is shared with third parties.

Third-Party Services

This application does not use third-party analytics, advertising, or tracking services.

Security

All licensing communication is encrypted using HTTPS.

Changes to This Policy

This privacy policy may be updated as needed. Continued use of the application constitutes acceptance of any updates.

For questions regarding this policy, please contact:

Email: FlowCalc@FlowCalc365.com

Elements

i = 0;

while (!deck.isInOrder()) {
    print 'Iteration ' + i;
    deck.shuffle();
    i++;
}

print 'It took ' + i + ' iterations to sort the deck.';