Clue: Calculator's ancestor

Answer: ABACUS

Length: 6

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Similar Clues:

• Calculator that has no on-off switch (ABACUS with 6 letters)
• Ancestor of a calculator (ABACUS with 6 letters)
• Pressed the calculator plus sign (ADDED with 5 letters)
• Satellite dish ancestor (AERIAL with 6 letters)
• Supposed ancestor of Dracula (ATTILA with 6 letters)
• Scientific calculator button (e.g. COS with 3 letters)
• Scientific calculator key (COS with 3 letters)
• Scientific calculator function (e.g. COSINE with 6 letters)
• Flat-screen ancestor (CRT with 3 letters)
• Flat-screen ancestor: Abbr. (CRT with 3 letters)