TI-33 Electronic Calculator

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Size (approx): 80mm (max) x 145mm x 35mm (max)  (w,h,d)
Weight 108g excluding  batteries
Power: 9.0V DC, 1 x PP3 size battery.  
Display: 8 digit LED with bubble lens (plus one for minus sign)

Features: Square root, reciprocal, square, pi. The functions Sin, cos, tan, log, lnx and y-to-x are inverted by use of the INV key.  EE or INV EE switches between 8-digit calculator and scientific (5+2) and back.  Right arrow key briefly shows any scientific-format number as full eight digit.  Sign change, parentheses, constant, Degree/radian/grad mode and three full function memories make this a sophisticated calculator.

Date: 1978

This calculator is very similar to the TI-30, but it has three memories instead of one

Serial number 479382 3578RCI (week 35 1978)

Kindly donated by Francis Hookham 

Manufacturer: Texas Instruments
Date: 1978

Other Systems Related To TI-33 Electronic Calculator:

Item Manufacturer Date
TI-2500 Datamath Calculator Texas Instruments 1972
TI SR-10 Electronic Sliderule Texas Instruments 1973
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TI-2550 Memory Calculator (1st Design) Texas Instruments 1974
TI-2500 B Datamath calculator Texas Instruments 1974
TI-2550 II Texas Instruments 1975
TI-SR-51A Version 1 Texas Instruments June 1975
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TI Little Professor (Boxed) Texas Instruments 1978
TI-58C Programmable Calculator Texas Instruments 1979
TI-35 Scientific Calculator Texas Instruments 1979
TI Math Marvel Calculator Texas Instruments 1980
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Little Professor 26-82-RC1 Texas Instruments 1985
TI-74 Basicalc Texas Instruments 1986
TI-5038 Paper-Free Printer Texas Instruments 1988
TI-81 Calculator Texas Instruments 1990
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TI-92 Graphing Calculator Texas Instruments 1995
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This exhibit has a reference ID of CH31294. Please quote this reference ID in any communication with the Centre for Computing History.

 

TI-33 Electronic Calculator


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