One shot fix

ver 3.0(2017.5.28)
This is the center ring of the computer.
It will us to calculate the difficult calculations instantly.
For more informationinstruction manualPlease read.
Explanatory diagram

Surface readings

left(l):
right(r):
under(a):

Zhou readings

left(L):
right(R):
under(d):

Coupling diameter to be measured

(A):

Distance of the front and rear of the base to be modified

(X):

Distance from the front of the base to the measurement point

(Y):

offset

The numbers in the core
None There

Up and down：

Left and right：