How does Test Citadel mirror the real Digital SAT Bluebook exam?

Test Citadel features an authentic Bluebook-calibrated countdown timer with visibility toggle, question navigation grid, choice eliminator cross-out tool, embedded Desmos graphing calculator, and official College Board formula sheets.

Can I try Test Citadel questions for free?

Yes. Every visitor can complete 4 free diagnostic problems (2 Math with Desmos and 2 Reading & Writing) with full Socratic explanations before upgrading to Citadel Pro.

What is included in the Citadel Pro pass?

Citadel Pro grants unlimited access to 2,600+ adaptive questions, multi-tier Socratic hint trees, Desmos graphing shortcuts, distractor trap breakdowns, and simulated full-length SAT and ACT exams.

Test Citadel / Account Access

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Socratic Assistant

Targeted hints without disclosing final solutions.

I am your Socratic tutor. Click one of the quick guidance buttons above or ask a specific question below about a formula or method.

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Official Exam Reference Formulas

Geometric Area & Perimeter

Three-Dimensional Volumes

Algebra & Trigonometry

Desmos Graphing Calculator

Socratic Assistant