The TI-55 III replaced the TI-55 II in the USA in 1986. It features redesigned keyboard mechanics, thereby eliminating the common "bouncing keys" fault of prior models. Several variants of the TI-55 III exist.

2016年7月4日 · The TI-55 III is based off of the original TI-55 (1977) and TI-55 II (1981). The original TI-55 had only 32 programming steps but included 10 memory registers. When the TI-55 II came out, the programming memory was increased to 56 steps, but the number of memory registers were slashed to 8.

Texas Instruments TI-55 III. If you compare this calculator with its predecessor TI-55-II you'll immediately ask: Why that step backwards in design? The TI-55-II looks valuable with the metal housing, the molded keys, the perfect print on the keyboard plate and …

The TI-55 continued the line of scientific calculators with statistical capabilities started with the SR-51 and continued with the SR-51A and SR-51-II. In Europe the same calculator was marketed as TI-51-III , mathematically and historically correct.

The Texas Instruments TI-55 III is a programmable calculator with 8 digits precision and algebraic logic. It has 45 keys, and an LCD (liquid crystal) display. The power source is 2xLR44 cells.

Since the TI-55 III was discontinued in 1988, Texas Instruments is no longer able to provide parts, accessories, or service for this unit. A comparable scientific calculator to replace the TI-55 III is the TI-36X Pro .

View and Download Texas Instruments TI-55 owner's manual online. Advanced Professional Calculator. TI-55 calculator pdf manual download. Also for: Ti-51-ii, Ti-51-iii.

Anyone can quickly compute the correct answer to complex scientific and statistical equations using the Texas Instruments TI-55. Designed with a sharp LED display, this calculator provides high-quality performance. Users can program the TI-55 with up to 10 memory registers to store frequently used calculations, algorithms, and trigonometry.

TI-55 II计算器，第二个变体，带有LCD显示器. TI-55是由Texas Instruments于1977年首次制造的可编程计算器。它具有LED显示屏，重6.4盎司（180克）。可编程最多可容纳32个密钥编码，以允许用户重复具有不同值的简单计算。

The vintage Texas Instruments TI-55 III calculator was manufactured in the United States and is a classic piece of consumer electronics. As a product of Texas Instruments, a renowned brand in the field of calculators, this model holds historical significance in the realm of vintage electronics.