Sigma

Sigma is a powerful but easy to use calculator. A standard mode allows for calculation history, expression editing, and repeated calculations. Business mode provides an HP 10bII caliber business calculator! Both supporting multi-device sync, iPhone, iPad, and macOS support including dark mode and dynamic type.

• Every Day Ease of Use: Simple interface with history mode for expressions and calculations. Ability to use former expressions or values. Haptic feedback provides for a natural calculator feel.
• All Devices. All Modes: Support for light and dark on iPhone and iPad. Dynamic text size support. iCloud sync history, current calculation, programs, and variables across all devices. Multi-tasking on the iPad. Sync across iPhone, iPad, and macOS.
• Financial Calculator: Time Value of Money (TVM) loan calculations with period, interest, present value, future value, and payment. Any four values can be set to compute the remaining variable. Enables easy to use what-if scenarios. Amortization allows computing compound interest, principle, and loan balance.
• Statistics: with one or two variables, x,y predictions, 6 regression models, best-fit regression selection, standard deviation, aggregates, random value generation, permutations, and combinations.
• Cashflow analysis, bonds, interest conversions, margin / markup, breakeven analysis, and more.
• Science and Utility: Trigonometric functions, decimal rounding, display rounding, date functions, roots, powers, and exponentials.
• Menu: Use ⌘ to switch between classic and business modes, manage calculation history, settings, and more.
• History and Repeated Calculation: Use = to capture to tape for totals, repeated calculations, and more
• macOS Keyboard Shortcuts: C clear, Z switch modes, D decimals digits, N negate value
• Support: Email Us

  Business Mode Guide

  

Privacy Policy

The Sigma Mk4 Calculator team values your trust and is committed to protecting your privacy. This Privacy Policy describes the type of data that our application (“App”) collects, how it is used, and your rights regarding that information. This App is designed for use on iOS devices and is available for download via the Apple App Store.

1. Information We Collect

Given the functionality of the Sigma Mk4 Calculator app, we do not collect or store any personal information. The App does not require you to provide any form of identification, register an account, or share any personal details.

2. Use of Information

As we do not collect personal data, there is no use, sharing, or selling of such data. The App serves as a basic calculator without requiring any form of user data.

3. Storage and Security

The App does not store any data. All your calculations are performed locally on your device and are not transmitted or stored on any external servers.

4. Children’s Privacy

Our App is not designed or intended for use by children under the age of 13. As such, we do not knowingly collect personal information from children under 13.

5. Changes to the Privacy Policy

We may update our Privacy Policy from time to time. Thus, we advise you to review this page periodically for any changes. We will notify you of any changes by posting the new Privacy Policy on this page. These changes are effective immediately after they are posted on this page.

6. Your Consent

By using our App, you consent to our Privacy Policy.

7. Contact Us

If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us

Your privacy is critically important to us, and we are committed to protecting it. Please feel free to reach out to us if you have any concerns.

Disclaimer: This policy is a basic framework and may not cover all legal obligations depending on your jurisdiction or business. Please consult with a legal professional to ensure you are fully compliant with all relevant laws and regulations.