811-C UNISONIC Calculator

Review UNISONIC Vintage Working Digit Calculator Made In Japan

The Unisonic 811-C and 811-A calculators are advanced scientific calculators from Casio, designed for mathematics and science professionals, students, and engineers who require high-level calculations and functions. These calculators share several similarities but also have distinct features that cater to different user needs.

The Unisonic 811-C calculator is a versatile and high-performance device, featuring a sleek and compact design, easy-to-read LCD display, and a comprehensive set of mathematical functions. It supports various input methods, including algebraic, polynomial, and reverse-polish notation. This calculator offers 11-digit arithmetic computation with numerous memory functions, including 128-registers memory. It has embedded equations solver functionality, statistical calculations, and trigonometric, logarithmic, and exponentiation functions. Its constant memory allows users to memorize 83 pre-defined mathematical and physical constants, ensuring accuracy and convenience in complex calculations.

The Unisonic 811-A calculator, on the other hand, offers high precision with its 12-digit arithmetic computation capability and expanded trigonometric functions. It has a sleek and stylish design with a clear and large LCD display, making it an ideal calculator for engineering and scientific applications. In addition to its advanced trigonometric capabilities, the 811-A includes specialized functions for complex number computations and geometric calculations, such as distance, area, and volume, making it a reliable choice for students and professionals in engineering, physics, and engineering technology fields.

Both Unisonic 811-C and 811-A calculators boast several common features, including large-angle display mode, unit conversions for over 4300 combinations, and multi-repeating key functionality that ensures accuracy and efficiency during long calculations. Furthermore, they offer battery life of approximately 1.5 years, making them dependable tools for extended periods. These calculators come with a protective pouch and limited five-year warranty upon registration.

In conclusion, the Unisonic 811-C and 811-A calculators are sophisticated, powerful, and versatile devices designed to address the demands of mathematics and science professionals, students, and engineers. With their comprehensive mathematical functions, large displays, and durable design, these calculators are indispensable tools that aren't just crucial for ensuring the accuracy of complex calculations but also for mastering the subject matter at hand.

The Unisonic 811-C and 811-A are two functional and reliable calculators from Casio's fx- cattle series. When considering purchasing either calculator, it's important to weigh the pros and cons to help make an informed decision.

1. Wide range of functions: This calculator offers a comprehensive set of functions, including mathematical calculations, trigonometric functions, statistical calculations, and constant functions. It also features a built-in equation solver and user-defined variables.

2. Large display: The calculator boasts a large, easy-to-read LCD display that shows more than 14 digits for enhanced calculations, making complex calculations easier and more accurate.

3. Reverse Polish Notation (RPN) input: This input method can make calculations more efficient by allowing users to enter their mathematical inputs in a more streamlined and straightforward way.

4. Power-saving feature: The calculator automatically turns off the display when not in use to save battery life.

5. Durability: Casio calculators are well-known for their durability, and the Unisonic 811-C is no exception, with a water- and shock-resistant design.

1. Lack of programmability: While the calculator offers a vast range of functions, it lacks the ability to program and store custom functions.

2. No Graphing function: This calculator does not have a graphing function, which may be a disadvantage for users who need to graph equations or functions.

1. Lab Functions: This calculator is specifically designed for scientific and engineering applications, and it offers a wide range of advanced functions that cater to these fields, including unit conversions, log and natural log functions, and statistical functions.

2. Low power consumption: This calculator is designed to be power-efficient, which can be particularly beneficial when working in a laboratory setting, where conservation of energy and possible long stints without access to an outlet is a concern.

3. Compact and Portable: The Unisonic 811-A is a compact and lightweight calculator, making it ideal for lab tests and experiments. It is also battery-operated, adding to its portability.

1. Limited display: While it offers a comprehensive range of functions, the calculator has a limited display, showing only 8 digits. This may not be sufficient for users who need to work with large numbers or perform complex calculations.

2. No RPN Input: The calculator does not support Reverse Polish Notation input, which may make calculations more time-consuming and complex for some users.

Both calculators offer a robust set of features tailored to specific fields and user needs. The Unisonic 811-C is a versatile calculator suited for general use in mathematics, engineering, and science, thanks to its extensive function set and large display. On the other hand, the Unisonic 811-A is geared towards scientific and engineering applications with advanced functions and a power-saving design. The absence of RPN input in both calculators may be a drawback for some users. If Graphing functions are a priority, the Unisonic 811-C might not be the best choice, making the Unisonic 811-A a more suitable option. However, if a larger display and RPN input are essential, the Unisonic 811-C could be a more suitable choice. Ultimately, the decision depends on the user's specific requirements and preferences.

Details:

specifications vintcalc:

• brand: Unisonic
• mpn: 811-c
• part type: Calculator
• custom bundle: No
• country/region of manufacture: Japan
• vintage: Yes

offer vintcalc:

• prices: $20.00–$50.00
• item condition:
  • Open box
  • Used
  • New
  • For parts or not working
• best offers: true
• in stock #: 5
• options: ship-to-home
• started: february 9, 2025
• availability: in stock
• sold #: 20

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• category: Electronics > Vintage Calculators

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