Clue: Do some simple calculating

Answer: ADD

Length: 3

---

Similar Clues:

• Simple door fastener (BARRELBOLT with 10 letters)
• Simple rhyme scheme (e.g. ABA with 3 letters)
• Simple quatrain form (ABAA with 4 letters)
• Simple poetry pattern (ABAB with 4 letters)
• Simple counters (ABACI with 5 letters)
• Calculating machines of old (ABACI with 5 letters)
• Simple calculators (ABACI with 5 letters)
• Simple adding devices (ABACI with 5 letters)
• Calculating instruments (ABACI with 5 letters)
• Calculating device (e.g. ABACUS with 6 letters)