45: scientific model with a fluorescent display; similar in styling to the TI 30. 85000: 1964: SN 85459 last known Reynolds serial number with Cleveland-made parts. 1600 (1976): The 1600 series consisted of slimmed-down models that prefigured the styling of LCD units. 150 (1974): Possibly the rarest TI. 1270 (1976): Colorful model. There are many rare models and a few less-common variations of well-known models. Deciphering a chip's part number is a very ambitious process and most of the time, typing the whole part number in a search engine gets you nowhere. It would be easy to conclude that all TI calculators are commonly found and not much of a challenge to the avid collector. How can you tell the difference? Wiz-A-Tron (1976? The judgments are based on my experience searching through flea markets, garage sales, thrift shops, and collector lists (and encountering All advertising photos, manuals, and boxes I've seen show the 1st version, though it's far less common. Related resources. For this article, I divided TI calculators into four categories based on degree of rarity. 58 (1977): Replaced with the 58C in 1979. Mobilehome Quote; Auto; Renters Quote; All Quote Forms ; Commercial Lines. by Larry GilbertReprinted from The International Calculator Collector. SR-50, 51, and 52 suffered from paint wear around the switches and later TI models often have loose nameplates and missing battery covers. Serial Number Check. 2500 Datamath - 1st version (1972): TI's first pocket calculator. 1205 (1976): Another colorful 1200 relation, but this one has oversized lettering too. 5050M (1976): Handheld printing unit with memory. Calculator body is a lighter cream shade compared to 2500's beige. Other models, such as the 2500 and 2550, are usually in quite nice condition. I have since discovered one similar to the early version of the 2500. Please enter alpha characters for package designator. 1200 "Lady" (1975? Click links below to view package drawing and footprint information, or click on the part name for complete product folder or more device information. A count through my own collection revealed over 40 different models and there are many I don't have! 1265 (1976): Has a blue fluorescent display, unique within the 1200 series. However, this is not the case. in a green color, (2) the Exactra line (models 19, 20, 21, 22, and 23), reminiscent of the more colorful 1200 models, but sold as early as 1973, and (3) many Montgomery Ward models (identified by the "TXI-" prefix to the No doubt the best-selling calculator ever. Use this tool to find TI product information based on package top markings. (1973): There are two versions. It appears to consist of a two-digit week and two-digit year, such as "4376", for the 43rd week of 1976. This TI Design leverages an Ethernet-based TM4C129x (formerly known as Tiva) microcontroller to implement an S2E converter that allows quicker time-to-market and cost savings. Unusual orange display. Another one of my favorites. The “Database” is probably the biggest source of typewriter serial numbers in the Internet today. 2500 Datamath (LCD version): Prototypes were produced, but display unreliability prevented it from being offered to the public. The year of introduction is noted in parentheses following the model number. Every day, … price wars of the mid-70s. The SR-10 and 11 are notorious; the silver trim is almost always worn on these models. This one has a serial number of only 3201 and the (TI) charger has a date stamp of July 1972, just one month after TI started production of the 2500, indicating that TI was manufacturing these clones right from the start. This model is borderline moderate/difficult. (1975): TI replaced the SR-50 and SR-51 in mid-1975 with the "A" models. TI made calculators for sale under other names, including Radio Shack. 2510 In the 2nd version, the logo moves down to the upper area of the faceplate. 76 - "Spirit of 76" (1976): Red/white/blue Bicentennial (of the USA) model. High-quality, unlike its many knockoffs. Typewriter Serial Number Database WOW. The 1200 series styling was used on many other TI calculators and they all shared the annoying characteristic of loose or missing faceplates. Home; Personal Lines. This calculator is also more stylish than any of TI's other advanced models. SR-10 - 2nd version SR-51 © Text & photographs copyright Nigel Tout 2000-2020 except where noted otherwise. Design Summary for MicroSiP-enabled TPS8267xSiP. TI appeared to like orange. collection revealed over 40 different models and there are many I don't have! Finally, TI calculators often have a data code stamped on the back. DataMan (1977): Very unusual child's calculator that looks like a robot. But when you see the number of given brand names, it’s still only a beginning. Eventually sold at give-away prices. TI chargers, too, have date codes, expressed as The Montgomery Ward calculators are especially fascinating as they are not obvious clones yet can be identified as related to specific TI models. Uses disposable batteries. Please enter TI package name or part number with pin count. 5050 (1975): I believe this was the 1st handheld printing calculator with vertical printing. with the box, although the boxes tend to show wear easily. Most models (1972): Last issue, I mentioned a Longines-Symphonette similar to the TI 2500B. Longines-Symphonette Electronic Calculator Where to find the serial number The serial numbers have been placed on or in the guitar in different places over the years. 1200 No memory or fixed decimal switch as on 2550. 1-2 KeyStone Architecture Serial Peripheral Interface (SPI) User Guide SPRUGP2A—March 2012 Submit Documentation Feedback Chapter 1—Introduction www.ti.com 1.1 Purpose of the Peripheral The SPI is a high-speed synchronous serial input/output port that allows a serial bit are rarely found with the original box and paperwork; out of dozens of TI 30s that I have seen, only 1 or 2 have been new-in-box. In the first version, the "SR-10" logo is situated in the escutcheon surrounding the display. 1-866-TexasMobile firstname.lastname@example.org. It has the same green case color as the other. (1975): Also often found in the original box.
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