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Editorial Team
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Asked: 2026-05-16T08:46:02+00:00

I created a calculator class that does basic +,-, %, * and sin, cos,

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I created a calculator class that does basic +,-, %, * and sin, cos, tan, sqrt and other math functions.

I have all the variables of type double, everything is working fine for big numbers, so I can calculate numbers like 1.35E122, but the problem is with extremely small numbers. For example if I do calculation 1/98556321 I get 0 where I would like to get something 1.01464E-8.

Should I rewrite my code so that I only manipulate NSDecimalNumber‘s and if so, what do I do with sin and cos math functions that accept only double and long double values.

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1 Answer

  1. Editorial Team
    1/98556321

    This division gives you 0 because integer division is performed here – the result is an integer part of division. The following line should give you floating point result:

    1/(double)98556321
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