About Financial Future Planner

Empowering Your Financial Journey

Financial Future Planner is an innovative, AI-generated tool designed to help individuals and families visualize and plan their financial future. Created as a demonstration of the power of AI in financial technology, this calculator offers a unique blend of simplicity and sophistication.

Our mission is to make financial planning accessible and understandable for everyone, regardless of their financial background or expertise.

Key Features

• Client-side calculations for speed and privacy
• Automatic detection of user's preferred number format and currency
• Customizable investment parameters including initial amount, annual return, and tax rate
• Flexible withdrawal options with adjustable frequency and annual increase
• Interactive chart for visual representation of financial growth
• Detailed year-by-year breakdown of financial projections

These features combine to create a powerful, yet user-friendly tool that adapts to your specific financial situation and goals.

AI-Powered Development

Financial Future Planner was developed using advanced AI technology, showcasing the potential of artificial intelligence in creating practical, user-centric financial tools. This demo version was generated within a remarkably short timeframe, illustrating the efficiency and capabilities of AI in web development and financial modeling.

While the core functionality is robust, please note that this is a demonstration project and should not be used as a sole basis for making financial decisions.

Privacy and Security

We prioritize your privacy. All calculations are performed client-side, meaning your financial data never leaves your device. This ensures that your sensitive information remains confidential and secure.

Disclaimer

Financial Future Planner is a demonstration tool and should not be considered as professional financial advice. The projections and calculations are based on the information you provide and general financial principles. For personalized financial guidance, please consult with a qualified financial advisor.

Contact Us

Interested in learning more about AI-powered financial tools or exploring custom solutions for your business? Contact Sistemica GmbH at [email protected] for more information on cutting-edge AI applications in finance and beyond.

Imprint

Information pursuant to § 5 TMG

sistemica GmbH
Haingärten 5
61352 Bad Homburg vor der Höhe
Germany

Represented by

Hannes Lehmann

Contact

Phone: +49 (0) 6172 2658572
E-mail: [email protected]

Register entry

Entry in the Handelsregister.
Register Court: Amtsgericht Frankfurt
Register Number: HRB 107421

VAT ID

VAT identification number according to §27 a Umsatzsteuergesetz:
DE 310431641

Dispute resolution

The European Commission provides a platform for online dispute resolution (OS): http://ec.europa.eu/consumers/odr

Our email address can be found above in the imprint.

We are not willing or obliged to participate in dispute resolution proceedings before a consumer arbitration board.

Liability for Contents

As a service provider, we are responsible for our own content on these pages in accordance with § 7 paragraph 1 TMG under the general laws. However, according to §§ 8 to 10 TMG, we are not obligated to monitor transmitted or stored foreign information or to investigate circumstances that indicate illegal activity.

Liability for Links

Our offer contains links to external websites of third parties, on whose contents we have no influence. Therefore, we cannot assume any liability for these external contents. The respective provider or operator of the pages is always responsible for the contents of the linked pages.

Copyright

The contents and works created by the site operators on these pages are subject to German copyright law. Duplication, processing, distribution, or any form of commercialization of such material beyond the scope of the copyright law shall require the prior written consent of its respective author or creator.

Scope

This imprint also applies to the company's and product's profiles on various so-called "social network" pages:

• Xing: https://www.xing.com/
• LinkedIn: https://www.linkedin.com/
• Facebook: https://www.facebook.com/
• YouTube: https://www.youtube.com/

Privacy Policy

The operators of these pages take the protection of your personal data very seriously. We treat your personal data confidentially and in accordance with the statutory data protection regulations and this privacy policy.

Data Collection and Usage

The use of our website is generally possible without providing personal data. As far as personal data (for example name, address or e-mail addresses) is collected on our pages, this is always done on a voluntary basis where possible. This data will not be passed on to third parties without your express consent.

The Financial Future Planner is a client-side tool. All calculations and data processing occur in your browser. We do not collect, store, or transmit any of your financial data or calculation results.

Server Log Files

The provider of the pages automatically collects and stores information in so-called server log files, which your browser automatically transmits to us. These are:

• Browser type and browser version
• Used operating system
• Referrer URL
• Hostname of the accessing computer
• Time of the server request

This data cannot be assigned to specific persons. A consolidation of this data with other data sources is not carried out. We reserve the right to check this data retrospectively if we become aware of concrete indications of illegal use.

Analytics

This website uses Plausible Analytics, a privacy-friendly analytics tool. Plausible does not use cookies and does not collect any personal data. It only collects anonymous usage data to help us understand how our website is used and to improve our services.

SSL Encryption

This site uses SSL encryption for security reasons and to protect the transmission of confidential content, such as the requests you send to us as the site operator. You can recognize an encrypted connection by the fact that the address line of the browser changes from "http://" to "https://" and by the lock symbol in your browser line.

If SSL encryption is activated, the data you transmit to us cannot be read by third parties.

External Dependencies

Our tool uses the following external resources:

• Tailwind CSS (via CDN) for styling
• Chart.js for generating charts
• Font Awesome for icons

These resources are loaded from their respective CDNs and may be subject to their own privacy policies.

Hosting

Our website is hosted on Cloudflare. Cloudflare may collect technical information related to your visit as part of its service operations. For more information, please refer to Cloudflare's privacy policy.

Third-Party Services

We use the following third-party services:

• MailerLite: We use MailerLite for our newsletter service. MailerLite may use cookies for functional purposes. For more information, please see MailerLite's Cookie Policy.
• Meetergo: We use Meetergo for scheduling meetings. Meetergo may use cookies for functional purposes. For more information, please see Meetergo's Privacy Policy.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

Contact Us

If you have any questions about this Privacy Policy, please contact us at [email protected].

AI-Powered Rapid Prototyping: From Concept to Functional Tool in Hours

In the fast-paced world of product development, the ability to quickly test ideas and create functional prototypes is invaluable. This article details the journey of building the Financial Future Planner, showcasing how AI, particularly Anthropic's Sonnet 3.5 model and OpenAI's ChatGPT, can revolutionize the prototyping process. Our experience highlights both the immense potential and the current limitations of AI in rapid prototyping.

Lean Development: Embracing Vanilla HTML and JavaScript

Our approach to this project was deliberately lean, focusing on vanilla HTML and JavaScript to create a lightweight, easily deployable prototype. This strategy allowed for rapid iteration and testing without the overhead of complex frameworks or build processes. The decision to use vanilla technologies proved crucial in maintaining flexibility throughout the AI-assisted development process.

From Concept to Functional Prototype: A Detailed Timeline

The development process was remarkably swift, demonstrating the power of AI-assisted prototyping. Here's a detailed breakdown of our journey:

1. Initial Prototype (5 minutes): Within the first five minutes, we had a basic structure in place. Using vanilla HTML and JavaScript, we created a rudimentary calculator that could perform basic financial projections. This rapid start was made possible by Sonnet 3.5's ability to quickly generate boilerplate code and basic functionality.

2. Core Functionality (30 minutes): By the 30-minute mark, the application had evolved significantly. It now included a user-friendly interface with input fields for various financial parameters and displayed calculation results. Sonnet 3.5 was instrumental in rapidly implementing complex financial calculations and dynamic UI updates.

3. Visual Enhancements (1 hour): In the next phase, we integrated Tailwind CSS for styling and Chart.js for data visualization. Sonnet 3.5 provided code snippets for Tailwind classes and Chart.js configuration, significantly speeding up the process. We maintained our commitment to a lean, easily modifiable codebase by using CDN-hosted libraries.

4. Feature Expansion (2 hours): The final stretch saw the addition of more advanced features such as CSV exports, an informative FAQ section, and various usability enhancements. All of these were implemented using vanilla JavaScript, with Sonnet 3.5 providing guidance on best practices and efficient implementations.

AI as a Catalyst: Comparing Sonnet 3.5 and ChatGPT

Our project leveraged two powerful AI models: Anthropic's Sonnet 3.5 and OpenAI's ChatGPT (GPT-4). Each brought unique strengths to the development process, but also came with their own challenges.

Sonnet 3.5: The Rapid Prototyping Powerhouse

Anthropic's Sonnet 3.5 played a pivotal role in the accelerated development process. It served as an intelligent coding assistant, dramatically speeding up the prototyping process in several ways:

• Rapid Code Generation: Sonnet 3.5 excelled at quickly producing functional HTML and JavaScript code snippets, allowing us to implement features at an unprecedented pace.
• Contextual Understanding: One of Sonnet's most impressive features was its ability to understand the context of the entire project. It could make comprehensive changes across multiple files without needing detailed instructions for each modification.
• Problem-Solving Partner: When faced with implementation challenges, Sonnet provided valuable suggestions and alternative approaches, often leading to more elegant solutions.
• Documentation and Explanation: The AI assisted in creating clear, concise comments and documentation, making the code more maintainable and easier for team members to understand.

ChatGPT: Powerful but Requiring More Guidance

While ChatGPT demonstrated impressive capabilities, it required more specific guidance compared to Sonnet 3.5:

• Detailed Instructions Needed: ChatGPT often required more explicit and detailed instructions for each change. It felt more like working with a junior developer who needed step-by-step guidance.
• Manual Integration: With ChatGPT, we had to manually point out all changes within the source code, ensuring that every modification was applied correctly. This increased the risk of overlooking interdependencies in the code.
• Slower Interaction: The interaction with ChatGPT was noticeably slower, which impacted the rapid prototyping process.

Challenges and Mitigations

While AI-assisted development significantly accelerated our prototyping process, we encountered several challenges that required creative solutions:

1. Output Limitations with Sonnet 3.5

Challenge: As our codebase grew to over 1000 lines, Sonnet 3.5 began to hit output limits, providing incomplete code snippets.

Mitigation: We developed a strategy of breaking down large changes into smaller, manageable chunks. For complex features, we asked Sonnet to provide high-level guidance and pseudocode, which we then implemented manually. This approach helped maintain Sonnet's contextual understanding while working within its limitations.

2. Context Drift

Challenge: As we manually integrated code snippets, Sonnet's understanding of the current state of the codebase began to drift, leading to inconsistencies.

Mitigation: We established a practice of periodically providing Sonnet with the full, updated source code to "reset" its context. Additionally, we maintained a separate document tracking all major changes, which we could reference or provide to Sonnet as needed.

3. Performance Issues

Challenge: After multiple iterations, the chat interface began to lag, slowing down the development process.

Mitigation: We adopted a strategy of starting new chat sessions for each major feature or after a certain number of interactions. This kept the chat history manageable and maintained responsiveness. We also saved important code snippets and explanations externally for easy reference.

4. Complexity in Number Formatting

Challenge: Both AI models struggled with implementing complex number formatting across different locales and currencies.

Mitigation: We broke down the number formatting task into smaller, more manageable subtasks. We also leveraged external resources and documentation, using the AI models to help interpret and implement these resources rather than relying on them for the entire solution.

Key Takeaways for AI-Assisted Rapid Prototyping

This project offers valuable insights into AI-assisted rapid prototyping:

• Unprecedented Speed: With AI assistance, we moved from concept to functional prototype in hours rather than days or weeks, allowing for rapid testing and validation of ideas.
• Lean Development Synergy: The combination of a lean, vanilla JavaScript approach with AI assistance proved highly effective, maintaining a lightweight, flexible codebase that was easy to modify and deploy.
• AI as a Force Multiplier: The AI acted as a force multiplier, allowing a single developer to accomplish what would typically require a small team. This has significant implications for solo developers and small startups.
• Adaptive Workflow: Working with AI required a shift in approach, focusing more on guiding the AI, breaking down problems, and effectively integrating AI-generated solutions.
• AI Model Selection: Different AI models have distinct strengths. Choosing the right model for each task and knowing how to effectively prompt and guide the AI is crucial for maximizing productivity.
• Handling AI Limitations: Understanding and developing strategies to work around current AI limitations is essential for maintaining a smooth development process.

Conclusion: A New Era of Prototyping

The development of the Financial Future Planner demonstrates the transformative potential of AI in the prototyping process. By leveraging tools like Sonnet 3.5 and ChatGPT, and embracing a lean development approach, we were able to rapidly test and validate our concept, moving from idea to functional tool in a fraction of the time traditionally required.

This approach opens up new possibilities for entrepreneurs, product managers, and developers. It allows for faster validation of ideas, more efficient use of resources, and the ability to quickly pivot based on user feedback. As AI tools continue to evolve and developers become more adept at working with them, we can expect even greater acceleration in the prototyping and product development process.

However, it's important to note that AI-assisted development is not without its challenges. Developers must be prepared to adapt their workflows, manage AI limitations, and maintain a critical eye on the code being produced. The role of the developer is evolving from pure coding to a hybrid of coding, AI prompting, and solution architecting.

The future of prototyping is here, and it's powered by AI. By embracing these tools, developing strategies to work with their current limitations, and adapting our workflows, we can unlock new levels of innovation and efficiency in product development. As we stand on the brink of this new era, it's an exciting time to be a developer, with AI opening up possibilities that were once thought to be years away.