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**shadowfax** · 06-28-2017, 08:20 AM

The only way around it is: (26.8*100) % 5 = 0. Doesn't seem right - but only way it works.

**NinjaTrader_ChelseaB** · 06-28-2017, 08:24 AM

Hello Alex,

This question is more related to C# education and is not specific to NinjaScript.

The behavior is caused by the modulus using floating point arithmetic and doubles.

Arithmetic operators - C# reference - C#

https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/modulus-operator

Learn about C# operators that perform multiplication, division, remainder, addition, and subtraction operations with numeric types.

Floating Point Arithmetic - Modulo Operator on Double Type

https://stackoverflow.com/questions/2925223/floating-point-arithmetic-modulo-operator-on-double-type/2925496#2925496

So I'm trying to figure out why the modulo operator is returning such a large unusual value. If I have the code: double result = 1.0d % 0.1d; it will give a result of 0.09999999999999995. I wo...

Meaning of "%" operation in C# for the numeric type double

https://stackoverflow.com/questions/8105613/meaning-of-operation-in-c-sharp-for-the-numeric-type-double/8105708#8105708

Recently I discovered that C#'s operator % is applicable to double. Tried some things out, and after all came up with this test: class Program { static void test(double a, double b) { ...

**shadowfax** · 06-28-2017, 10:19 AM

Thanks - I guess this is a well documented behavior.

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