Pharmaceutical calculations

Pharmaceutical calculations without the guesswork.

More than 200 calculation scenarios, with line-by-line working and tolerance scoring, so you can see exactly where a method went wrong.

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Line-by-line working

Every question provides step-by-step working and dimensional analysis, so you can pinpoint exactly where your method went wrong.

Step 1: total daily dose
45 mg × 2 doses = 90 mg

Step 2: apply the one-sixth rule
90 ÷ 6 = 15 mg

Answer: 15 mg immediate-release morphine, as required

Tolerance scoring

Accepts valid decimal rounding variations while penalising premature rounding.

15 mg Accepted
15.0 mg Accepted
Rounded part-way through the working Penalised

Pharmaceutical calculation syllabus coverage

Full numerical stems with full diagnostic working

Cockcroft-Gault Creatinine Clearance

50 questions

IV Infusions and Drop Rates

45 questions

Displacement Volumes and Reconstitution

40 questions

Dilutions, Alligation and Concentrations

35 questions

Paediatric and Surface Area Dosing

35 questions

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