4477MTA TEXAS INSTRUMENTS Professor Calculator

Review TEXAS INSTRUMENTS Vintage Instrument Inch Little Professor Calculator

The Texas Instruments 4477 MTA Professor Calculator, a model released in 1976, is a remarkable relic from the era of early handheld electronic calculators. This calculator, with its vintage design and advanced functionality, offers a unique blend of history and computational power.

Measuring approximately 8.6 inches long, 3.4 inches wide, and 1.2 inches thick, the Texas Instruments 4477 MTA Professor Calculator is compact enough to be easily portable yet large enough to accommodate its comprehensive feature set. Its sturdy, metal casing not only adds to its robustness but also gives it a distinct, retro appearance that harks back to the 1970s.

The calculator boasts a multitude of functions, including the standard four operations - addition, subtraction, multiplication, and division. It also features square root, square, and reciprocal functions, as well as trigonometric functions like sine, cosine, and tangent. Moreover, it has a built-in logarithmic function for base 10 and natural logs.

The Texas Instruments 4477 MTA Professor Calculator is powered by a single 1.35V PP3 battery, which is easily accessible through the battery compartment at the back of the device. The calculator's display is a 12-digit, seven-segment, LED unit, which provides clear and concise readings for all calculations.

The calculator's operation is intuitive and straightforward, with a minimalistic set of buttons that includes keys for each operation, parentheses, and memory functions. The calculator also features a continuous paper tape, which records all calculations for easy reference.

In summary, the Texas Instruments 4477 MTA Professor Calculator is more than just a calculator; it's a piece of history. With its vintage design, comprehensive feature set, and reliable performance, this calculator is an excellent addition to any collection of historical electronic devices or a fascinating tool for those interested in the evolution of calculator technology.

The Texas Instruments SR-52 "Professor" calculator, model number 4477MTA from 1976, is a vintage programmable calculator that has gained popularity among collectors and hobbyists due to its advanced features and historical significance. Here are some pros and cons of buying this calculator:

1. Historical Significance: The Texas Instruments SR-52 was one of the first programmable calculators and is considered a milestone in calculator technology.

2. Advanced Features: It offers a wide range of mathematical functions, including trigonometric, logarithmic, and exponential functions, as well as statistical functions like regression analysis.

3. Programmability: The calculator allows users to store up to 12 programs with 8 steps each, making it a versatile tool for solving complex mathematical problems.

4. Durable Construction: The calculator is known for its robust design and high-quality components, making it a reliable and long-lasting device.

5. Nostalgia and Collector's Value: The vintage design and historical significance of the Texas Instruments SR-52 make it an attractive collectible item for some.

1. Complexity: The programmability and advanced features of the calculator may be overwhelming for some users, especially those who are not familiar with vintage calculators.

2. Limited Memory: The calculator has a limited memory capacity, which may not be sufficient for large databases or complex calculations.

3. Lack of Displays: The calculator has only one line of 12-character display, making it less convenient for displaying lengthy mathematical expressions or program names.

4. Battery Replacement: The calculator uses obsolete batteries, and finding replacement batteries can be challenging and expensive.

5. Compatibility: The calculator uses proprietary software and hardware, making it incompatible with modern computers and software.

The Texas Instruments SR-52 "Professor" calculator is a unique and powerful device that offers advanced features and historical significance. However, its complexity, limited memory, and compatibility issues may make it less practical for some users. For those who appreciate vintage technology, enjoy a challenge, or are collectors, the calculator's pros outweigh the cons. For others who require a more modern and convenient calculating solution, there are many other options available in the market.

If you are a collector, hobbyist, or historian interested in vintage calculators or technology, the Texas Instruments SR-52 "Professor" calculator is an excellent addition to your collection. However, if you require a more practical and modern calculating solution, there are many other options available in the market that offer more advanced features, larger memory capacity, and compatibility with modern technology.

Details:

Unlike a standard calculator, it presents arithmetic problems and prompts the user to enter answer. In very good condition.

specifications vintcalc:

• brand: Texas Instruments
• mpn: 4477mta
• part type: Calculator
• country/region of manufacture: United States
• vintage: Yes

payments vintcalc:

• wallet: google-pay
• other
• credit card: diners-club

offer vintcalc:

• prices: $19.99–$42.97
• item condition:
  • Used
  • Open box
• options: ship-to-home
• availability: in stock
• in stock #: 5
• sold #: 16
• best offers: true
• started: july 23, 2025

shipping vintcalc:

• carrier: usps
• class: standard
• type: calculated
• service: usps ground advantage
• transit: 5-12 days

returns vintcalc:

• policy: no returns

general vintcalc:

• category: Electronics > Vintage Calculators

seller vintcalc:

• city: branson, missouri
• # reviews: 1
• rating: 100.0%