MIKKO RAHIKKA

The electrical things have their lives too, paltry as those lives are.

  • New Fibonacci-problem, product sum

    James Tanton published a new problem about Fibonacci sequence  on Thursday. I started to play with it with GeoGebra. After I published my article in  Finnish some people asked about having it in English, so they could use it easier with their students. So here it is. Here I am… Continue reading

  • Uusi Fibonaccilukujono-ongelma

    Twitteristä löytyi ainakin minulle uusi omituinen totuus liittyen Fibonacci-lukuihin. Jos ottaa kaksi Fibonaccilukua ja kertoo ne keskenään ja lisää tuloon seuraavien Fibonaccilukujen tulon, niin summa on Fibocacciluku. Tantonin esimerkissä a = 4, F(3) = 3, b = 9, F(9) = 34, F(5) = 5 ja F(10) = 55 ja 377… Continue reading

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