4640 NATIONAL SEMICONDUCTOR Scientific Calculator

Review NATIONAL SEMICONDUCTOR Scientific Calculator

The National Semiconductor 4640 Scientific Calculator is a powerful and versatile tool designed for advanced mathematical calculations and scientific applications. This calculator boasts a sleek, ergonomic design with a durable, all-plastic casing, ensuring it can withstand regular use in a variety of environments.

The 4640 Scientific Calculator features a bright, high-contrast LCD display with a resolution of 8 digits, making it easy to read and understand the results of complex calculations. The calculator supports a wide range of mathematical functions, including basic arithmetic, trigonometric, exponential, and logarithmic operations. It also includes features such as a built-in square root, percentage, and memory functions, allowing users to store and recall previous calculations.

One of the standout features of the National Semiconductor 4640 Scientific Calculator is its ability to perform scientific calculations, such as converting between different units of measurement, including temperature, length, mass, and volume. The calculator also includes a built-in constant library, which includes values for pi, e, and other commonly used mathematical constants.

The 4640 Scientific Calculator is powered by a single AA battery, which is easily replaceable, ensuring you can always have the calculator at the ready when you need it. The battery compartment is located on the back of the calculator, and the calculator includes an automatic shutoff feature to conserve battery life when not in use.

In conclusion, the National Semiconductor 4640 Scientific Calculator is a reliable and powerful tool for anyone who needs to perform advanced mathematical calculations or scientific applications. Its sleek design, bright display, and wide range of functions make it a versatile and practical choice for students, scientists, engineers, and anyone else who requires a high-performance calculator.

1. High Accuracy: The National Semiconductor 4640 is known for its high precision and accuracy, making it suitable for complex mathematical calculations.

2. Durable: It is built to last with a robust design, making it a reliable choice for long-term use.

3. Functionality: It offers a wide range of scientific functions, including trigonometric, logarithmic, and exponential functions.

4. Easy to Use: Despite its advanced features, the calculator is user-friendly and easy to navigate.

5. Reputable Brand: National Semiconductor is a reputable brand in the field of semiconductors and electronics, ensuring quality and reliability.

1. Price: Compared to some modern digital calculators, the National Semiconductor 4640 can be relatively expensive.

2. Lack of Modern Features: Although it offers a wide range of scientific functions, it lacks some modern features like graph plotting, data storage, and programmability.

3. Physical Size: It is a bit larger and heavier than some modern calculators, which might not be a favorable factor for those who prefer compact devices.

The National Semiconductor 4640 Scientific Calculator is a reliable and accurate choice for those who value precision and durability in their calculators. Although it lacks some modern features and is a bit more expensive than some contemporary models, its high accuracy, robust design, and wide range of scientific functions make it a worthwhile investment for those who require a reliable and powerful calculator for scientific or engineering purposes.

If you are looking for a high-precision scientific calculator for complex mathematical calculations and are willing to invest in a durable and reliable device, the National Semiconductor 4640 Scientific Calculator is a recommended choice. However, if you prioritize modern features like graph plotting and data storage, or if a compact and budget-friendly device is more suitable for your needs, you might want to consider other options on the market.

Details:

National Semiconductor 4640 scientific calculator. Shipped with USPS ground advantage. Condition is used.

specifications vintcalc:

• brand: National Semiconductor
• mpn: 4640
• model: National Semiconductor 4640
• part type: Calculator
• country/region of manufacture: United States
• modified item: No
• vintage: Yes

general vintcalc:

• category: Electronics > Vintage Calculators

offer vintcalc:

• sold #: 22
• in stock #: 1
• options: ship-to-home
• availability: in stock
• price: $25.49
• item condition: For parts or not working
• started: november 12, 2024

seller vintcalc:

• city: everett, washington
• rating: 95.1%
• # reviews: 662

payments vintcalc:

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

returns vintcalc:

• policy: no returns

shipping vintcalc:

• class: standard
• type: calculated
• service: usps ground advantage
• transit: 4-9 days
• carrier: usps