TI-54

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TI-54
TypeScientific
ManufacturerTexas Instruments
Introduced1981
Discontinued1983
Cost$40 USD
Calculator
Precision11
Display typeLiquid crystal display
Display size8+2
Other
Power supply2 alkaline LR44 batteries
Weight0.106 kg
Dimensions14.7 x 7.9 x 2.3 cm

The TI-54 was a scientific calculator produced by Texas Instruments, primarily marketed towards engineers and science professionals.[1] It was introduced in 1981, and at the time was the only calculator that could deal with complex numbers.[2] It was discontinued in 1983.

The TI-54 touted features such as "built in algebraic functions for both real and complex numbers", "hyperbolic and trig functions for real numbers", and conversion functions such as polar to rectangular, and degrees/minutes/seconds to decimal degrees. It also came with Texas Instruments' Constant Memory feature, which allowed for data storage even after the calculator was turned off.

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