CALC 1 Financial Calculator

CALC 1 combines the power of advanced financial calculations with an intuitive, user-friendly interface. Whether you're a working professional, a small business owner, an individual looking to manage your personal finances, or a student seeking to enhance your financial education, CALC 1 provides the tools you need for both basic and complex financial analysis.

Key Features:

1. Intuitive Interface with "At a Glance" Functionality:
- Excellent handling of everyday expressions with both values and operators displayed
- UNDO support for both expressions and individual keys
- Key Previews show input values directly on calculator keys
- Easily verify inputs and understand calculations at a glance

2. Comprehensive Data Management:
- List Manager for effortless data handling: verify, edit, and paste data for fast, accurate input

3. Visual Problem-Solving:
- One-tap plots for quick data visualization
- Various chart types to help understand complex financial concepts visually

4. Contextual Help and Documentation:
- Long-press any key to see its detailed description
- Quick access to built-in documentation and examples for every calculator, plus videos and "How to's" for many subjects

5. Detailed Calculation History:
- Review your work with comprehensive calculation records
- Verify inputs and keep a record of your financial analysis

6. Familiar Interfaces:
- Includes reproductions of popular HP 12C and 10bII calculators
- Seamlessly share data between CALC 1 and these familiar interfaces

7. Focused Calculators:
- Each calculator dedicated to a specific financial topic, keeping the interface simple and easy to use
- Wide range of calculators covering various aspects of financial analysis

8. Powerful Functionality:
- Go beyond hardware calculators with advanced features like data visualization and complex financial modeling
- Suitable for both basic calculations and advanced financial analysis

What's Included in the Free Version:
Focused Calculators:
- Time Value of Money (TVM)
- Cash Flows
- 1 List Statistics
- 2 List Statistics
- Percent Change and Total
- Markup and Margin
- Basic Slide Rule Calculator
- Curve Fitting: Linear

Function Calculators:
- Loan Payment
- Savings
- Percent Change of Periods
- Breakeven Analysis
- Cost of Not Taking a Cash Discount
- Economic Order Quantity
- Simple Interest Loan - Days
- Fuel Savings
- Normal Distribution - CDF
- Z - Test
- Effective Interest rates

This comprehensive free version provides a powerful set of financial tools, matching or exceeding the capabilities of many popular hardware calculators.

Subscription Benefits:
- Access all 19 Focused Calculators and over 70 Function Calculators
- Ad-free experience
- Available at the lowest price tier

Why Choose CALC 1?
CALC 1 goes beyond the limitations of hardware calculators, empowering you to calculate, visualize, and understand complex financial concepts effortlessly. From basic calculations to advanced financial modeling, CALC 1 keeps it simple while providing powerful functionality.

Perfect For:
- Working professionals needing both basic and advanced financial tools
- Small business owners for day-to-day calculations
- Individuals looking to maximize their hard-earned money through smart financial planning
- Students enhancing their financial education

Don't just calculate - understand. With CALC 1, seeing is believing. Download now and experience the power of intuitive financial analysis, starting with our feature-rich free version!

更新履歴
Version 4.76 Update:
• Fixed an issue where calculation mode (RPN/Algebraic) would occasionally reset to chain mode.
Version 4.75
Enhanced External Keyboard Support:
• For MacOS users: Keyboard support for non-touchscreen devices
• Support for Bluetooth keyboards on iPhone and iPad
• Faster data entry with numeric keypads
• Added support for Enter and Clear keys on Apple numeric keypads
• New letter key shortcuts: Shift for secondary functions, STO for quick store, RCL for easy recall

This update improves usability for iPad users and adds convenient keyboard input for those using the app on MacOS devices. Full documentation on external keyboard support and other features available on our website.