Clue: Calculator predecessors

Answer: SLIDERULES

Length: 10

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Similar Clues:

• Calculator's ancestor (ABACUS with 6 letters)
• Competitive calculator (MATHLETE with 8 letters)
• Calculator symbol (e.g. MINUS with 5 letters)
• Calculator feature, initially (LCD with 3 letters)
• Calculators: abbr. (ABACS with 5 letters)
• Calculator button (e.g. CLEAR with 5 letters)
• Old calculators (ABACI with 5 letters)
• Foot predecessors (CUBITS with 6 letters)
• Slide calculators (ABACI with 5 letters)
• Pocket calculator, e.g. (ADDER with 5 letters)