The TI-42 MBA Business Calculator boasts a sleek, vintage design with a sturdy, all-plastic construction. Its compact size, measuring approximately 6.5 inches in length and 3.5 inches in width, makes it highly portable, allowing business professionals to carry it …

The TI MBA “electronic business calculator” was produced in 1977 and marketed by Texas Instruments in the United States as “The MBA”, whereas in Europe it was called the “TI-42 MBA”. Here, we’ll simply call it the TI-42.

Texas Instruments TI-42 MBA. The TI-42 MBA sold in Europe was 100% identically to the MBA sold elsewhere. Find more information on the page. If you have additions to the above article please email: . © Joerg Woerner, December 5, 2001. No reprints without written permission.

Heavy power busses must be used to distribute the regulated voltage. With low voltages and currents of many amperes, voltage drops in connectors and conductors can cause an appreciable percentage change in the voltage delivered to the load.

Advertised as a “powerhouse of financial and statistical problem solving,” this handheld financial calculator has a black plastic case and forty small rectangular plastic keys arranged in eight rows.

The Texas Instruments TI-42 MBA is a finance calculator with 8 digits precision and algebraic logic. It has 40 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V battery.

Both the TI-55 and The MBA use a 12-digit LED-stick and a single-chip design and the mechanical ON/OFF slider. The MBA gave you advanced financial and statistical functions and targeted the market above the Business Analyst.

The second generation of TI calculators featured a machine that can easily be called the ultimate LED programmable calculator: the TI-59. This machine's prodigious amount of memory, magnetic card, solid state software modules, and printer interface made it a true marvel of its time.

The Texas Instruments TI-42 MBA from 1978 is a finance calculator with 8 digits precision and algebraic logic. It has 40 keys, and an LED (light-emitting diode) display, typical of calculators of this era.

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