Room 412 / Delivery landing pad

Room 412 in get-aCC_e55 is accessed via the lift in the porch. To unlock it you need a code which can be found in the basement. Code:

The delivery area has a console with a 4 digit input code needed for the Order number. Solve the clues to find the right order number.

On the floor of the delivery area are 4 papers with parts of an encrypted code. These are maths equations and sums. The key to start this is again found in the drawing board in the workshop. Next to the parts diagram on the left are 2 of the symbols with number.

Drawing Board:

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Look at paper part 1

The symbol on the right is on the drawing board with the number 4. This means that the 2 symbols on the left must equal 2 each.

Next look at paper part 3

This second part of this equation has the symbol for 4 x 2 x 2 = 16

The first part is a new symbol to the power of 2. This makes this new symbol = 4

Now look at paper part 2

We have 1 missing symbol here ? - 4 = 2. The new symbol is 6

Finally paper part 4

This equation has ? + 4 to the power of 0 = 6 => ? + 1 = 6. This new symbol is 5

This gives us the code for the order number.

Code:

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5246

Enter this and a drone will arrive to deliver the cover for the housing of T9 engine. Collect this and return to the workshop.