CODEWITHSUNDEEP
expressionalgebrajavascript
Craig Smith
Craig Smith

Reputation: 5

Converting an algerberic expression into a function?

I have been trying to create an expression to calculate brick and glass prices. 

I'm working with a, b and c 

so the price is $30m^2  for bricks and $20m^2 for glass

A and B are walls C is a round window radius

A = 3m (not m^2) 
B = 2m (not m^2)
C = 1m (not m^2)

I believe that my expression (a*b)*30 – (c^2*20) works but how can I turn this into a java script function that in future I could use in a calculator to calculate prices etc...

Bit of a newbie with java script.

thanks all!

Upvotes: 0

Views: 129

Answers (1)

mttrb
mttrb

Reputation: 8345

I believe the following function cost(a,b,c) should do what you want, assuming I've understood the question:

function cost(a,b,c) { 
    return (a * b * 30) - (Math.PI * Math.pow(c,2) * 20) 
}

This returns 117.16814692820414 given the parameters a = 3, b = 2 and a = 1.

An example of the cost function in use would be:

var price = cost(3,2,1);

Upvotes: 1

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