TI-42 MBA Electronic Calculator

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The relation between a SR-40 and the TI-55 could easily be found with the Business Analyst and The MBA. 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 brown housing gave the calculator a very exclusive note.

Powerful business calculator with statistical and financial functions…and programmability.
Pre-programmed functions computer net present value and internal rate of return for variable cash flows. Payment, present value, future value, number of periodic interest rate for ordinary annuities and annuities due. Bond yields and much more.
Statistical functions – mean variance, standard deviation – at the touch of a key. Plus built-in linear regression with correlation coefficient. Twelve memories.
Simple programmability lets remember a sequence of up to 32 keystrokes.
Calculator Analysis for Business and Finance. Shows you how to analyze financial situations faster, and use statistical methods easily.

Introduced: August 1977
Display technology: LED-stick
New price: $79.95
Size: 5.8" x 3.1" x 1.4"  148 x 78 x 36 mm3  
Weight: 4.0 ounces, 114 grams
Serial No: 72238
Batteries: BP7
Date of manufacture: 4877RCI - wk 48 year 1977
Origin of manufacture: Italy
Integrated circuits: TMC1502

Kindly donated by Francis Hookham


Manufacturer: Texas Instruments
Date: August 1977

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This exhibit has a reference ID of CH31301. Please quote this reference ID in any communication with the Centre for Computing History.

 

TI-42 MBA Electronic Calculator


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