Ruby on Rails

They are all very different, although all return a similar hash of
arguments.

Here is an example...

def vergence_v
u = (rand(2..6)).round(2)
u_vergence =((1/(u*0.01)).round(2))
p = rand((u_vergence + 0.1) ..(u_vergence + 0.7)).round(2)
v_vergence = (p - u_vergence).round(2)
v = (1/v_vergence).round(2)

question = "A slide is placed #{u} cm to the left of a +#{p} D lens.
At what distance (in meters) will the screen need to be placed to the
right of the lens to have the image be in perfect focus?"

answer = "Answer = #{v} meters"
anno = "Solution:......"

formatted = {"question_1" => question, "answer_1" => answer, "anno_1"
=> anno}

end

Could this be saved as a string in the database, and then be written to
a temp file and "required" by the model when it is needed?

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