LITTLE PROFESSOR "LEARNING TOOL" RARE 1976 FLASH CARD CALCULATOR

*Rare "flash card" calculator is in excellent condition and works perfectly.

*The 1st million are the rarer models as they had a paper back label.

*Texas Instruments removed the back label to save one cent on each unit.

*Pressing "Go" displays an equation. 

*If you key in the correct answer, it displays a new equation.

*After 3 tries, the little professor displays the correct answer.

*Unit can be set to 4 levels of difficulty using multiplication, division, addition and subtraction.

*Includes strap, back door and a fresh 9 volt battery.

*Red "Light Emitting Diode" display is "Crisp and Bright" with all segments illumined.

*Battery compartment is clean and conductive.

*Paper label serial 0253449.

*Production code LTA4176 USA.

*Please review all photos as they are part of the description.

*All items from Vintage Calculators Inc come from a smoke free environment.

*100% satisfaction guaranteed or prompt refund including original shipping.

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*We combine shipping and have quality items delivered worldwide.