This app is a simplified and interactive version of Tokyo Guideline 2018 medical calculator. Usage of this app is convenient for medical student, trainee, health care worker and even trainee surgeon - for assisting in diagnosing and managing Acute Cholecystitis and Acute Cholangitis in conjunction with Tokyo Guideline 2018 original content.

Content included are diagnostic criteria, diagnostic calculator, guideline description, antibiotic guideline, key point of managing Acute Cholecystitis and Acute Cholangitis as well as surgical safety in Laparoscopic cholecystectomy and many more.

The creation of this app is fairly for user friendly and simplified version of using the mobile calculator.

All content are free and non profitable.

References and link for evidence based medicine are provided inside the application.