f# - fsharp compound interest beginner -

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i not know i'm supposed here beginner

let interest = 0.02     // interest rate 2%  let periods = 12.0      // number of times interest compounded per year  let years = 10.0        // number of years money borrowed   // calculate compound interest using formula from: // http://en.wikipedia.org/wiki/compound_interest#compound_interest  let compound investment =      ***i supposed put here***  let res = compound 1000.0  shouldequal (round res) 1221.0  printfn "compound interest (full): %f" res  printfn "compound interest (two digits): %.2f" res

if right understand:

let interest = 0.02     // interest rate 2% let periods = 12.0      // number of times interest compounded per year let years = 10.0        // number of years money borrowed let investment = 1000.0     //principal amount (initial investment)  // calculate compound interest using formula from: // http://en.wikipedia.org/wiki/compound_interest#compound_interest let compound p j n t =      p*((1.0+j/n)**(n*t))  let res = compound investment interest periods years  //shouldequal (round res) 1221.0 ? this?  printfn "compound interest (full): %f" res printfn "compound interest (two digits): %.2f" res

but i'm surprised saw question here


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