738SR BROTHER Calculator

Review BROTHER Vintage 1970/80s German Electronic Calculator Paperwork Case

The Brother 738SR calculator is a vintage model that harks back to the 1970s and 1980s, offering a unique blend of nostalgia and functional calculating abilities. This calculator's design is a testament to the elegance and simplicity of the analog era.

Measuring approximately 7.7 inches long, 3.3 inches wide, and 1.3 inches high, the Brother 738SR calculator is compact and portable. Its sleek, black body is made of high-quality plastic, giving it a sturdy and durable feel. The calculator's keys are large and well-spaced, making it easy to use, even for those with larger fingers.

The calculator features a clear, easy-to-read, 1.5-inch LCD display that shows the results of mathematical operations. The display is backlit, enabling users to work in dimly lit environments. The calculator can perform a wide range of mathematical functions, including addition, subtraction, multiplication, division, square root, and percent calculations.

One of the most distinctive features of the Brother 738SR calculator is its slide rule function. This functionality allows users to perform complex calculations involving large numbers or fractions, making it a popular choice among engineers, scientists, and other professionals who require high-precision calculations. The slide rule can be easily activated by sliding the metal bar located on the right side of the calculator.

The calculator runs on two LR44 batteries, which are included in the package. The batteries have a long life expectancy and can last for several months with regular use. The calculator also features an automatic shut-off function, which helps conserve battery life by turning off the calculator after a period of inactivity.

The Brother 738SR calculator is more than just a tool for performing mathematical calculations. It is a piece of history that evokes memories of a bygone era. Its sleek design, ease of use, and versatile functionality make it a must-have for collectors, vintage enthusiasts, and anyone who appreciates the craftsmanship and simplicity of analog technology.

The Brother 738SR calculator, a model from the 1970s or 1980s, is a retro device with a unique aesthetic and mechanical operation. While it may not offer the advanced features of modern calculators, here are its pros and cons:

1. Mechanical Operation: The Brother 738SR calculator operates mechanically, providing a tactile and satisfying experience while performing calculations.

2. Durability: Its mechanical components make it more durable than modern electronic calculators since there are fewer electronic parts to fail.

3. Vintage Appeal: The calculator's design and appearance make it a collector's item, adding character to any workspace or study area.

4. Manual Input: Manually inputting numbers and performing calculations can help improve focus and reduce reliance on technology, potentially enhancing problem-solving skills.

1. Limited Functionality: The Brother 738SR calculator lacks advanced functions and capabilities found in modern calculators, such as graphing, statistical analysis, and complex mathematical operations.

2. Slower Calculation Speed: Mechanical calculators generally calculate numbers more slowly than electronic calculators, which can be a disadvantage for users who need to perform calculations quickly.

3. Requires Maintenance: The mechanical components of the calculator may require occasional cleaning and lubrication to maintain optimal performance.

4. Larger Size: The calculator is larger than modern calculators due to its mechanical design, making it less portable.

In conclusion, the Brother 738SR calculator is an interesting and unique device with a nostalgic appeal. While it offers the advantage of a mechanical operation, durability, and a satisfying user experience, it comes with limitations such as limited functionality, slower calculation speed, the need for maintenance, and a larger size.

If you value the tactile experience and vintage aesthetic of a mechanical calculator, the Brother 738SR calculator could be a worthwhile investment. However, if you require a calculator with advanced functions, high calculation speed, or portability, a modern electronic calculator would be a more practical choice.

Details:

Size:7,4 13,4 1 cm. It is interesting that the Epson LED-b series of displays could have been reliably equipped with later standard gray polarize, however Brother stuck to yellow polarizes made for earlier LED until end production. Date:1978-83. Manufacturer:Brother industries ltd.

Tested and working, new batteries, see photos for condition. Type:scientific. Operating logic:algebraic. Brother introduced two LCD scientific calculators relatively late: the simpler, 8 or 5/2 digit 718sr, and 738SR model's were in production from 1978 to 1983.

Technical specifications. Capacity:8 2 digits input/display. Weight ready for operate: n.a. At the time of their release, with these elegant machines, which, when they were taken out production, already looked very outdated thanks to yellow LCD display, slow operation, and set functions that had become standard in meantime, Brothers own calculator production also ceased.

Both are made with a Toshiba chip and specially designed Epson display which can be found in similar model's from many other manufacturers.

specifications vintcalc:

• brand: Brother
• mpn: 738sr
• model: Brother 738sr
• part type: Calculator Case
• vintage: Yes
• country/region of manufacture: Japan

general vintcalc:

• category: Electronics > Vintage Calculators

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• city: hanover, massachusetts
• # reviews: 352
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• started: may 19, 2025