Related Clues:
- One doing sums
- Snake or calculating person
- Slithering danger
- Sum kind of snake?
- It's dangerous if it strikes
- Calculator, at times
- Snake or CPA
- Abacus, e.g.
- Calculator user
- Mojave Desert sight
- Hognose snake: puff ___
- Sidewinder
- Viper, and a clue to this puzzle's theme
- Snake with a puff variety
- Sum seeker