ساخت کامپیوتر آنالوگ با استفاده از تقویت کننده عملیاتی قسمت چهارم

I am getting frustrated with this op amp integrator circuit. There appears to be an issue with the gain as well as the integral calculation itself. I think I need to do some more research on this. If you can help me out, then let me know!

operational amplifier
op amp integrator not working
analog devices