Tracing back to the reliable Klixon™ switches and using double shot injection molding keys, the SR-51 might be together with the SR-50 TI's most reliable calculators ever produced. Time will …

The calculator has a jack for a recharger/adapter along the back edge. A sticker on the back gives codes entered to convert from common measures to metric measures. It reads in part: TEXAS …

Students can use the SR-51-II to help them with complex statistical problems as well: mean, variance, standard deviation and correlation among with seven unit conversions by direct key. …

SR-51-II on sale for $29.95, a $20 savings. Date Made: 1976. Maker: Texas Instruments. Location: Currently not on view. See more items in: Medicine and Science: Computers, …

Texas Instruments SR-51A (Version 1) The SR-51A was introduced shortly after the SR-51 to reduce manufacturing costs. You won't notice too much differences to the SR-51, the …

2021年3月28日 · The SR-51A is the next step after the short lived SR-51 calculator and it was the high-end calculator in the Texas Instrument line in 1975 together with the lower prices SR-16 …

The Texas Instruments SR-51-II is a scientific calculator with 8 digits precision and algebraic logic. It has 58 functions, 40 keys, and an LED (light-emitting diode) display typical of calculators of …

Texas Instruments SR-51-II Manual, 1976 (English, German, French, Italian) Condition: Excellent front and back: Repairs, Comments: The original rechargable battery pack was dead so I cut it …

SR-16 (1974): Superseded by the SR-16II within a year. This model is borderline moderate/difficult. SR-51 (1975): TI replaced the SR-50 and SR-51 in mid-1975 with the "A" …

2024年9月15日 · The SR-51 was introduced in January of 1975 and was soon replaced by the SR-51A in June just a few months later (which needless to say makes the SR-51 very rare). …