YOUR SPACE TO UNDERSTAND
Math,
made clear.
One idea. A few different ways to see it. Room to practise, at your pace.
MAKE YOURSELF AT HOME
Start learning
For college learners aged 18+. Enter winner below to begin.
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Your learning space
MIDTERM PRACTICE
Topic practice. Clear steps. Printable sets.
Choose a skill, try a five page practice set, or print separate questions and worked answers.
Open Midterm Practice →Start here
Your learning library
Choose a skill you want to improve: mean, median, standard deviation, scatterplots, probability or reading graphs. Try one question with your calculator, then ask for one clear step at a time. Every question includes model-specific calculator help and a by-hand option. All 28 lessons stay available.
How to Use the Calculator → Choose what to practise → Quiz practice → Calculator & by-hand guides → My practice progressTools & calculators
Open a question in the learning library for calculator steps and an on-page calculator. Separate tools are available below.
Search and calculator steps → Advanced Calculator Statistics & regression ↗ TI-84 Plus CE (third-party) ↗Advanced Calculator and the 36-style practice calculator are original learning tools. Open the Learning library for TI-36X Pro and TI-84 key steps beside each topic. Advanced Calculator needs no account or subscription and works in Safari and other modern browsers.
Course practice sets & earlier progress
The earlier level-based practice and reference units are still here, with their saved progress. These are separate from the new learning library.
Reference unitsEarlier practice and matching lessons for course topics through 2.4.
Topic
Your progress
Levels
Levels build on each other, so Level 1 is the natural start. Every level stays open. You can revisit any question.
Start this topic over
Clears completed marks and your saved place for this topic only. Tutor turns are not affected and cannot be restored.
Reset progress for ?
Every question in this topic will show as not completed and your saved place will be cleared. Your tutor turns stay exactly as they are. This cannot be undone.
Try a guided 3-question recall check →Your earlier questions and saved completions stay here. This check opens related questions in the learning library.
Question
Show steps
Method
Answer key The answer, the worked steps and the explanation. Open it any time.
Need a moment?
Casual encouragement and a few emoji. Questions and steps stay the same.
Ask the tutor Help with this question, one step at a time
This tutor uses prepared responses about the steps for the current question. It is not a live AI service and it will not give the final answer.
Listening
Questions, five-step explanations and encouragement use natural Kokoro Heart recordings. The free device voice is available when a matching recording is unavailable. Tutor replies use the free device voice. Nothing plays automatically.