
| Brand | CANON |
|---|---|
| Manufacturer Part Number | MP140 |
| Model | CANON CANOLA MP140 |
| Part Type | CALCULATOR |
| Country/region Of Manufacture | JAPAN |
| Modified Item | NO |
| Vintage | YES |
The Canon MP140 and MP141 calculators, designed and manufactured by Canon Inc. during the 1970s, represent a significant milestone in the evolution of calculator technology. These compact, portable devices offered advanced calculating capabilities that were popular among professionals and students at the time.
The MP140 and MP141 models are almost identical in design, with sleek, backlit LCD screens and a neatly arranged layout of buttons. They support four functions: addition, subtraction, multiplication, and division. An innovative feature for the era, the Variable Y function (found on the MP141 model) allows users to store values as variables, making complex calculations more efficient.
Measuring approximately 210 mm (length) x 95 mm (width) x 12.5 mm (thickness) and weighing around 145 grams, both models are lightweight and portable. The MP140 and MP141 calculators are powered by two LR44 batteries that are accessed via a battery compartment located at the back of the device. The battery life is estimated to last for over 100 hours with regular use.
The Canon MP140 and MP141 calculators feature an acoustic beeper, providing an audible confirmation for each key press and completed calculation. The keypad incorporates precise elastomeric buttons with a tactile feel, ensuring that all inputs are accurately registered.
The LCD screen displays digits as four-digit hexadecimal representation, although the results of calculations appear as decimal values above the main display. The screen auto-scans to the left, allowing users to view the entire calculation sequence.
Additional features include a memory register that can recall a previously entered value and a square root function. The status display indicates important information such as the current mode ( Normal, Alternate, or Register ) and the presence of an error condition.
Despite the passage of time, the Canon MP140 and MP141 calculators continue to impress with their build quality, ease of use, and advanced capabilities that have made them collector's items among vintage technology enthusiasts. Their elegant design, coupled with technological innovation for the time, showcases Canon's commitment to excellence in calculator engineering during the 1970s.
The Canon MP140 and MP141 calculators are vintage models from the 1970s, known for their distinctive designs and manual calculations. Considering a purchase? Here's a straightforward helpful assessment.
**Canon MP140:** Pros:1. Mechanical Calculation: The all-mechanical design offers a satisfying clicking sound with each calculation, setting it apart from modern electronic devices.
2. Durability: The metal casing and gears make it a sturdy and long-lasting calculator.
3. Portability: Its compact size and weight make it easy to carry around.
4. Unique Design: The vintage aesthetics and construction may appeal to collectors and design enthusiasts.
5. Battery-Free: Since it is a mechanical calculator, it does not require power sources for calculations.
Cons:1. Manual Input: Inputting data requires physically setting the values and turning the dials, which might be slower and less convenient compared to electronic calculators.
2. Limited Functions: Only equipped with the basic arithmetic operations (addition, subtraction, multiplication, and division). More complex mathematical features are not included.
3. Difficulty with Large Numbers: Handling large numbers can be time-consuming and challenging due to the limited number of keys and the need to manually input digits.
**Canon MP141:** Pros:1. Hybrid Design: The Canon MP141 is a hybrid calculator, combining mechanical calculation with an electronic display, offering the best of both worlds. It delivers quick calculations using electronic methods and the satisfying sound and tactile feel of mechanical calculators.
2. Wider Functionality: This model offers a few more features than the MP140, such as string operation functions, simultaneous equations, and nested parentheses.
3. Battery-Assisted Operation: Although the MP141 still uses mechanical gears for calculations, the electronic display helps speed up the process and makes the data entry easier.
Cons:1. Complexity: The hybrid nature of the calculator may require extra effort to understand proper operation, especially for users who are familiar with only electronic or mechanical calculators.
2. Size, Weight, and Power Source: Despite being a hybrid model, it is still larger, heavier, and requires battery power since it offers a display screen, affecting its portability compared to electronic calculators.
3. Cost: Compared to modern electronic calculators, the price of the vintage Canon MP141 can be high due to its unique combination of mechanical and electronic components and its collectible value.
**Conclusion:**The choice between the Canon MP140 and MP141 depends on factors like personal preferences, intended use, and budget. The Canon MP140 is perfect for those seeking a simple, battery-free mechanical calculator with a satisfying "clicking" sound for pleasure or for academic purposes, like teaching mathematical operations to children.
For power users or professionals who want the convenience of a faster calculation speed and more mathematical functions while still enjoying the tactile experience of a mechanical calculator, the Canon MP141 Hybrid might be the best bet. However, take into consideration its larger size, weight, and the cost associated with this collectible vintage calculator.
Ultimately, both calculators offer unique experiences and bring a sense of nostalgia for calculator enthusiasts and history buffs. If you're in the market for a novel, engaging, and visually appealing calculator and are willing to embrace its quirks, either the Canon MP140 or MP141 can be a worthwhile addition to your collection.
Works in great condition. Made in japan, this vintage calculator is an excellent addition to any collection. This 1970s Canon canola MP141 japan calculator adding machine is a rare vintage item that works perfectly. It features the brand name Canon and model number canola MP140.
