Exercise 
(1)Find the angle of obliquity when the involute value is 0.0050912 and the initial value is 10.
(2)Find the involute value when the angle of obliquity is 14.1.
Set up condition: angle unit in Deg Mode and decimal point in
Float Pt Mode.
2nd F 
SET UP 
B *
1*
C*
1*
CL
| Step |
1 | Specify the programme mode. |
Select the title INVOLUTE. |
2 | Select involute calculation. |
|
3 | Enter the initial value and the |
involute value. |
(Display of angle of obliquity)
Select inverse involute
4 calculation.
5 | Enter the value of the angle |
of obliquity. |
(Display of involute value)
Key Operation | Display |
| (When using |
2nd F 
PRGM 
A *
1 
ENTER
1 
0 
ENTER
0 
• 
0 
0 
5 
0 
9 
1 
2
ENTER
ENTER
2 
ENTER
1 
4 
• 
1
ENTER
5
