Electronic Slide Rule Calculator SR-11

Texas Instruments, Dallas

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  • Year
  • 1973 ?
  • Category
  • Signal Processing and Computing
  • Radiomuseum.org ID
  • 332255

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Dry Batteries / AA: 3 x 1.5 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Electronic Slide Rule Calculator SR-11 - Texas Instruments, Dallas
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 158 x 78 x 38 mm / 6.2 x 3.1 x 1.5 inch
  • Notes

  • The Texas Instruments SR-11 calculator was launched in the United States in September 1973 and was the first TI calculator with the new, smaller keyboard layout that is familiar from today's pocket calculators. The reason was that compared to its predecessor, the SR-10, the constant switch and the "PI" button were added. Compared to later TI models, the keyboard was still colorful.

    Like its predecessor, the SR-10, the SR-11 is operated either with 3 AA batteries or rechargeable batteries. In addition to the operating instructions, the purchase set also included three rechargeable batteries, a charger for rechargeable batteries, and a black protective bag made of synthetic leather.

  • Net weight (2.2 lb = 1 kg)
  • 0.262 kg / 0 lb 9.2 oz (0.577 lb)
  • Price in first year of sale
  • 119.95 USD

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