Next sitting · November 2026Your free account includes
- Unlimited Part 1 calculations — all 26 types, fresh numbers, full working
- 20 Part 2 clinical questions, each with a rationale and its source
- Your accuracy by topic, weakest first
- No card. Nothing on the free tier is time-limited.
What a wrong answer gets youInfusion & pump rates
46mL/hour✗ Not quite
Common slip You gave the dose in mg/hour — divide by the concentration (mg/mL) to get mL/hour.