{"name":"ratio","title":"Ratio & Proportion Calculator","category":"math","description":"Simplify a ratio to lowest terms, or solve a:b = c:x for x.","price_usd":0.001,"input_schema":{"type":"object","properties":{"mode":{"type":"string","description":"simplify or solve","enum":["simplify","solve"]},"a":{"type":"number","description":"a"},"b":{"type":"number","description":"b"},"c":{"type":"number","description":"c (solve mode)"}},"additionalProperties":false}}