Question about Casio FX-115MS Plus Calculator

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Den 1254 mod 100 is 54... it shows 50?? pls help me

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  • kakima Nov 14, 2010

    Exactly what keys are you pressing to get this result?



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It's a bit convoluted, and it only works for integers. Press MODE 4 to switch to BASE-N (integer) mode. If the screen doesn't read "Dec" then press the x^2 key. Now, to calculate a mod b, calculate a-a/b*b. No shortcuts, no rearranging. That's a minus a divided by b times b. You have to enter both numbers twice, but you will get the modulus.

For your example, you want to calculate 1254-1254/100*100 . This will give you the desired answer 54.

Press MODE 1 to return to your previously scheduled calculations.

Purely out of curiosity, what are you doing to get 50?

Posted on May 11, 2011


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