Physics simulation# Monte Carlo Sampling and Estimation of Phase Transition Point Binder Cumulant Summary Introduction to OpenJij Core Interface About the OpenJij Core Interface Overview of OpenJij Core Interface Module List Graph System Updater Algorithm Result Coding Flow Numerical Simulation of Classical Ising Model using the Core Interface System Run the Algorithm with Updater Updater Algorithm Schedule list Run the Algorithm Result Numerical Simulation of Quantum Ising Model using the Core Interface Set Transverse Magnetic Field Ising Model Run Algorithm with Updater Updater Algorithm Schedule List Run the Algorithm Result