The clue "Calculator ancestor" last appeared in the Universal crossword on July 9, 2019. The correct answer for this puzzle is "SLIDERULE", a 9-letter word.
Solution SLIDERULE is 9 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is SLIDERULE with 9 letters, and the shortest is SLIDERULE with 9 letters.
No, "CALCULATOR ANCESTOR" hasn´t seen a spike right now. Solvers are most interested in: Regret, Antique, Entertain, Educate and Melodious.
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The solution is 9 letters long.