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Zetamac Arithmetic

Two minutes of mental arithmetic at whatever difficulty you set, boiled down to a single number. Trading desks drill on this one.

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How to get the most from it

Zetamac Arithmetic sits in Brain Trainers under Play, filed as a minute.

  • Give it one round. There is nothing to finish and nothing lost by leaving.
  • Use a laptop or desktop computer — we file it as desktop only.
  • It works with the sound off, so it is fine on a train or in a quiet office.
  • No account needed — you can start without signing up.
  • Go in expecting something brainy and competitive.

About this category: Memory, reaction, attention and pattern-matching drills that happen to be fun. Short sessions, visible progress, and a score you will want to beat.

Good for

  • A one-round break between tasks
  • Giving your brain a workout
  • Chasing a better score
  • A quiet break at your desk
  • Trying it with zero commitment

Zetamac Arithmetic: quick answers

Is Zetamac Arithmetic free?

Yes. Zetamac Arithmetic is free to use and needs no account.

Do I need an account to use Zetamac Arithmetic?

No. You can use Zetamac Arithmetic without signing up for anything.

Does Zetamac Arithmetic work on a phone?

Not well. We file Zetamac Arithmetic as desktop only, so open it on a laptop or desktop computer.

Is Zetamac Arithmetic safe for work?

Yes, we file it as safe for work. It also works muted.

How long does Zetamac Arithmetic take?

We file it as "A minute": One quick round, then you can leave.

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