Question about Casio fx-300ES Calculator

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The learning curve

How do i input 60000 x 500 -0.415 into a scientific calculator to get learning curve effect

formulae is y=abX

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Hello,
From Wikipedia.
Mathematically the experience curve is described by a power law function sometimes referred to as Henderson's Law:

where
  • is the cost of the first unit of production
  • is the cost of the nth unit of production
  • 95ae10911ccd94b57da5535ac94fec03.png is the cumulative volume of production
  • is the elasticity of cost with regard to output[

If that is the law involved you enter it as follows

60000*500[ ^ ] [(-)] 0.415 [=] result should be 4550.705

Here
[ ^ ] is the power key, between x-square and log
[(-)] is the change sign (or negation) key in the leftmost column, just above [RCL]

Hope it helps.

Posted on Oct 31, 2009

  • k24674 Oct 31, 2009

    Sorry, what I stole from Wikipedia was stolen from me by FixYa.
    The formula is C_n =C_1* n^(-a)

    C_1 is the cost of the first unit of production (60 000)
    C_n is the cost of the nth unit of production
    n is the cumulative volume of production (500)
    a is the elasticity of cost with respect to output (0.415)



  • k24674 Nov 04, 2009

    Here is a picture to show your calculations. The formula is on line 4. The result is on line 5. You can have more decimals in your result.

    You enter your calculation as on the 6th line.

    The minus sign is (-) change sign key, just above RCL. To raise to a power use the key between Xsquare and log.



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