decimal vs double! – Which one should I use and when? [duplicate]

For money, always decimal. It’s why it was created.

If numbers must add up correctly or balance, use decimal. This includes any financial storage or calculations, scores, or other numbers that people might do by hand.

If the exact value of numbers is not important, use double for speed. This includes graphics, physics or other physical sciences computations where there is already a “number of significant digits”.

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