• 3D Studio — turn, explode, unfold, slice and fill 14 solids. Plus conic
sections, solids of revolution and 3D vectors.
• Exam mode with a real marks scheme and section-wise analysis.
• Daily reminders, streak freezes and a three-step daily plan.
• Step-by-step solver now handles simultaneous equations, derivatives,
integrals, interest and unit conversion.
• Explanations now stay on screen until you move on.