65-991A RADIOSHACK Programmable Scientific Calculator Box

Review RADIOSHACK Vintage Programmable Scientific Calculator Complete Box And Man

The Radioshack 65-991A Programmable Scientific Calculator is a versatile and powerful tool for students, engineers, and scientists seeking accurate mathematical calculations and programmable functions. This calculator boasts a sleek design with a black keyboard and a gray display screen, ensuring a modern and professional look.

Measuring 7.1 inches long, 2.9 inches wide, and 1.1 inches thick, this calculator is both compact and portable, allowing you to take it with you wherever you go. It features a high-resolution LCD display screen with 16-character alphanumeric entry and a backlit keypad, enabling easy data entry and calculation viewing, even in low-light conditions.

This Radioshack calculator is equipped with a wide range of mathematical functions, including standard arithmetic, trigonometric, exponential, logarithmic, and statistical functions. It also offers complex number calculations, unit conversions, and constant memories, providing you with the flexibility to tackle a variety of mathematical problems.

One of the most notable features of the 65-991A Programmable Scientific Calculator is its programmability. With up to 100 programmable memories, you can store and recall complex calculations for future use. Additionally, the calculator supports up to 4-line equations, allowing you to build complex mathematical models and perform multi-step calculations.

The calculator is powered by a single 9V alkaline battery (not included), which offers a long battery life. The battery compartment is easily accessible, and the calculator automatically turns off after 10 minutes of inactivity to save power.

The Radioshack 65-991A Programmable Scientific Calculator is an essential tool for anyone requiring precise mathematical calculations and programmable functions. Its compact size, extensive mathematical capabilities, and user-friendly design make it an excellent choice for students, engineers, scientists, and anyone seeking an accurate and reliable calculator.

The Radioshack 65-991A Programmable Scientific Calculator offers several advantages for users, particularly those in fields requiring complex mathematical computations. Here are some pros and cons to consider before making a purchase:

1. Programmability: The calculator's ability to store and recall up to 20 user-defined programs makes it an excellent tool for engineers, scientists, and students dealing with complex mathematical problems.

2. Functionality: The 65-991A calculator offers a wide range of mathematical functions, including trigonometric, exponential, logarithmic, and statistical functions. Additionally, it features constant memory, allowing users to store and recall values for later use.

3. Durability: Radioshack calculators are known for their robustness, making the 65-991A an excellent investment for those who require a reliable calculator for extended periods.

4. Value: Compared to more advanced calculators, the Radioshack 65-991A offers excellent value for its price, making it an affordable option for students and professionals alike.

1. Size and Weight: The calculator's size and weight may be a drawback for those who require a portable calculator. It is larger and heavier than some modern calculators, making it less convenient for frequent travelers.

2. Display: The calculator's display may appear small and less clear compared to more modern calculators. This could make it more difficult for some users to read and input data.

3. Battery Life: The calculator requires two AA batteries, which may need to be replaced more frequently than rechargeable batteries found in some modern calculators.

In conclusion, the Radioshack 65-991A Programmable Scientific Calculator offers excellent value for its price, with a wide range of mathematical functions and the ability to store and recall user-defined programs. However, its size, weight, display, and battery life may be drawbacks for some users. Ultimately, the calculator's robustness and functionality make it an excellent investment for those in fields requiring complex mathematical computations who prioritize reliability and value over portability and advanced features.

Details:

Please see the pictures and ask any questions prior to purchasing these items. The vintage Radioshack 65-991A programmable scientific calculator is a nostalgic piece of electronics from japan, perfect for collectors or those who appreciate the craftsmanship vintage technology. The calculator works as designed and the original box manual is included with this listing. With its brand name and model number, it is a unique rare find for those who appreciate the history functionality of vintage calculators.

This vintage pre-owned item is in very good condition. This calculator comes with its original box and manual, adding to authenticity appeal.

specifications vintcalc:

• brand: Radioshack
• mpn: 65-991a
• part type: Calculator Box
• country/region of manufacture: Japan
• vintage: Yes

payments vintcalc:

• credit card: mastercard
• other
• wallet: paypal

seller vintcalc:

• city: meridianville, alabama
• # reviews: 3336
• rating: 99.3%

offer vintcalc:

• started: august 30, 2025
• in stock #: 5
• options: ship-to-home
• sold #: 15
• availability: in stock
• prices: $22.00–$39.99
• item condition:
  • Open box
  • Used
• best offers: true

general vintcalc:

• category: Electronics > Vintage Calculators

shipping vintcalc:

• service: usps ground advantage
• carrier: usps
• type: calculated
• class: standard
• transit: 12-19 days

returns vintcalc:

• policy: no returns