The trouble has been solved in some part.
When you use below browsers, Machining Calculator can be used.

– Internet Explorer
– Chrome
– FireFox
– Safari

But, in using “Edge” browser, there is still trouble. Please give us some more time.

In the app for SmartPhone, Dr. Carbide, there is still trouble.
Also, we need some more time.

Thank you so much for your understanding.