🧮 Series 66 Exam Calculator Rules – What You Need to Know

The Series 66 Exam, administered by NASAA and required for those pursuing state-level securities licensing, is not a math-heavy exam — but some calculation-based questions do appear. That’s why understanding the calculator policy is crucial for test day success.

Many candidates overlook this small detail, only to face unnecessary stress at the testing center. Let’s break down the official calculator rules, what’s permitted, and how to prepare effectively.

✅ What Kind of Calculator Can You Use on the Series 66?

• ✔️ Basic, four-function calculators may be provided by the test center.
• ✔️ On-screen calculators are built into the testing interface at Prometric centers.
• ✔️ Physical calculators are sometimes available upon request, depending on the location.

You are not allowed to bring your own calculator. All test materials are provided and must be returned at the end of the exam.

🚫 What Calculators Are Not Allowed?

• ❌ Programmable calculators
• ❌ Financial or scientific calculators
• ❌ Graphing calculators
• ❌ Calculators with memory or communication capabilities
• ❌ Smartwatches, phones, or tablets

Bringing any unauthorized device into the testing room will result in dismissal and potential disqualification.

🔍 What Kind of Math Is on the Series 66 Exam?

Although the exam focuses heavily on suitability, ethics, and state securities laws, a handful of questions require simple math. These may include:

• 📊 Time-weighted vs. dollar-weighted returns
• 💵 Simple interest and yield calculations
• 📈 Inflation-adjusted returns
• 🧾 Fee structures and their effect on portfolio performance
• 📉 Asset allocation percentages

You won’t need to memorize complex formulas — but you should be able to do quick, accurate calculations under time pressure.

💡 Test-Taking Tip

Most math-based questions are scenario-based. Focus on the logic behind the math, not just the numbers. For example, a question might ask you to compare the impact of fees on two client portfolios or determine which investment vehicle is more tax-efficient based on yield and cost.

🧠 How to Prepare

• ✅ Practice using an on-screen calculator simulator
• ✅ Familiarize yourself with basic financial math concepts
• ✅ Review key formulas in your Series 66 study guide
• ✅ Use sample questions to build confidence with realistic scenarios

📥 Prepare the Right Way for Series 66

Avoid surprises on exam day. Know the rules, practice the math, and build confidence with the right tools.

👉 Access your Series 66 prep resources now at FINRA Exam Mastery