1299-A UNISONIC Slide Rule Scientific Calculator Manual

Review UNISONIC Vintage 1299 Slide Rule Scientific Calculator Case Manual Japan Read

The Unisonic 1299-A 1299 Slide Rule Scientific Calculator is a versatile and sophisticated mathematical tool designed for scientists, engineers, and students. This calculator combines the traditional slide rule method with the functionality of a scientific calculator, offering an intuitive and efficient way to perform complex mathematical calculations.

The calculator features a sleek and compact design with a black matte finish and silver accents. It has a dimensions of 16.8 cm x 11.3 cm x 2.3 cm (6.6 inches x 4.4 inches x 0.9 inches) and a weight of approximately 240 grams (8.4 ounces). The large and clear LCD display measures 4.2 cm x 1.6 cm (1.7 inches x 0.6 inches) and provides easy-to-read results in both decimal and scientific notation formats.

The Unisonic 1299-A 1299 Slide Rule Scientific Calculator offers a wide range of mathematical functions, including addition, subtraction, multiplication, division, square root, cube root, logarithmic, and trigonometric functions. The slide rule mechanism allows for quick and accurate calculations of exponents, roots, and ratios, while the scientific calculator functions handle more complex equations and mathematical operations.

The calculator also includes a memory function, which allows users to store and recall up to 20 values. It has a power-saving function that automatically turns off the calculator after a period of inactivity, helping to preserve battery life. The calculator requires two LR44 alkaline batteries, which are included with the purchase.

The Unisonic 1299-A 1299 Slide Rule Scientific Calculator is built with high-quality components and materials, ensuring durability and reliability. It is also designed with ergonomics in mind, featuring a comfortable grip and intuitive button layout. The calculator comes with a user-friendly manual that provides detailed instructions on how to use the various functions and features of the device.

In summary, the Unisonic 1299-A 1299 Slide Rule Scientific Calculator is a versatile and powerful mathematical tool that combines the best of both slide rule and scientific calculator technologies. It offers a sleek and compact design, a large and clear LCD display, a wide range of mathematical functions, a memory function, and a power-saving feature. The calculator is built with high-quality components and materials and comes with a user-friendly manual. It is an essential tool for scientists, engineers, and students who require accurate and efficient mathematical calculations.

The Unisonic 1299-A 1299 Slide Rule Scientific Calculator is a vintage calculator that combines the functionality of a slide rule with that of a scientific calculator. Here are some pros and cons of buying this calculator:

1. Versatility: The calculator offers the best of both worlds - the ability to perform complex calculations using the slide rule mechanism and the convenience of performing basic arithmetic operations and more complex functions using the keypad.

2. Durability: Vintage calculators like the Unisonic 1299-A are known for their sturdy build quality. This calculator is no exception and is built to last.

3. Collectible value: For those who are interested in vintage calculators, the Unisonic 1299-A is a highly collectible item.

4. Manual: The calculator comes with a manual, which can be useful for understanding the various functions and features of the calculator.

5. Functionality: The calculator offers a wide range of functions, including trigonometric, exponential, logarithmic, and statistical functions.

1. Complexity: Using the slide rule mechanism can be more time-consuming and complex than using a modern calculator.

2. Limited memory: The calculator does not have much memory for storing and recalling numbers.

3. Battery-operated: The calculator requires batteries to operate, which can add to the cost and inconvenience.

4. Size and weight: The calculator is larger and heavier than modern calculators, which can make it less convenient to carry around.

The Unisonic 1299-A 1299 Slide Rule Scientific Calculator is a unique and versatile calculator that offers the best of both slide rule and scientific calculator functionality. While it may be more complex to use and less convenient than modern calculators, it is also more durable and has a collectible value. If you are looking for a vintage calculator that offers a wide range of functions and is built to last, then the Unisonic 1299-A is worth considering.

If you are looking for a vintage calculator that offers both slide rule and scientific calculator functionality, then the Unisonic 1299-A 1299 Slide Rule Scientific Calculator is a great option to consider. However, if you prefer the convenience of a modern calculator, then you may want to look for a different model. Additionally, if you are primarily interested in the collectible value of vintage calculators, then the Unisonic 1299-A is definitely worth adding to your collection.

Details:

Includes black protective carrying case. Normal light cosmetic wear consistent with age. Power: 4 AA batteries not included or ac adapter. 8-digit led display.

Includes original instruction manual. Display is bright and clear. Please see photos. Made in japan.

Excellent condition. Scientific functions including trigonometric, logarithmic, exponential, and memory operations. Serial number: 013779. Tested and works good.

Vintage Unisonic 1299 / 1299-A scientific slide rule calculator.

specifications vintcalc:

• brand: Unisonic
• mpn: 1299-a
• part type: Calculator Manual Case
• country of origin: Japan
• vintage: Yes

general vintcalc:

• category: Electronics > Vintage Calculators

shipping vintcalc:

• type: fixed
• carrier: usps
• service: usps ground advantage
• class: standard
• transit: 3-8 days

offer vintcalc:

• prices: $60.00–$79.95
• item condition:
  • Used
  • Unspecified
• started: march 2, 2026
• availability: in stock
• options: ship-to-home
• in stock #: 2
• sold #: 8

seller vintcalc:

• # reviews: 2011
• city: nampa, idaho
• rating: 99.8%

payments vintcalc:

• credit card: discover
• other
• wallet: apple-pay

returns vintcalc:

• paid by: buyer
• policy: returns accepted
• time: 30 days
• method: money back