Directions for 10 calculating problems

1 Addition

Problem: 17 + 31 + 58 = 106 

Basic position
      Lever 2:1
      Lever 1:7
One + turn
Cancellation lever setting mechanism
      Lever 2:3
      Lever 1:1
One + turn
Cancellation lever setting mechanism
      Lever 2:5
      Lever 1:8
One + turn

2 Subtraction

Problem : 23 - 17 = 6 

Basic position
      Lever 2:2
      Lever 1:3
One + turn
Cancellation lever setting mechanism
      Lever 2:1
      Lever 1:7
One - turn

3 Subtraction below zero

Problem : 12 - 14 = -2 

Basic position
Set 12 (levers 2 -- 1 )
One + turn
Cancellation lever setting mechanism
Set 14 (levers 2 -- 1 )
One - turn
Cancellation lever setting mechanism
Retransfer lever
Cancellation lever product register
One - turn
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