{"scope":"Four fixed arithmetic examples using the same functions as the public calculators. Not clinical validation or an audit of all tools.","methodology":"https://pakvita.com/tools/methodology","examples":[{"id":"bmi-metric","tool":"Adult BMI","href":"/tools/bmi-calculator","input":"70 kg; 170 cm; WHO setting","calculation":"70 ÷ (1.70 × 1.70)","expected":24.2,"actual":24.2,"matches":true},{"id":"bmi-imperial","tool":"BMI unit conversion","href":"/tools/bmi-calculator","input":"154.324 lb; 66.929 in; WHO setting","calculation":"Convert pounds/inches to kg/metres, then BMI","expected":24.2,"actual":24.2,"matches":true},{"id":"pack-years","tool":"Cigarette pack-years","href":"/tools/pack-years-calculator","input":"20 cigarettes/day for 10 years","calculation":"(20 ÷ 20) × 10","expected":10,"actual":10,"matches":true},{"id":"waist-height","tool":"Waist-to-height ratio","href":"/tools/waist-to-height-ratio","input":"85 cm waist; 170 cm height; 100 cm hip","calculation":"85 ÷ 170","expected":0.5,"actual":0.5,"matches":true}]}