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NProduct
 NProduct[f, {i, imin, imax}] gives a numerical approximation to the product  .
NProduct[f, {i, imin, imax, di}] uses a step di in the product.
NProduct can be used for products with both finite and infinite limits.
NProduct[f, {i, ... }, {j, ... }, ... ] can be used to evaluate multidimensional products.
NProduct[f, {i, imin, imax}] can be entered as  .
 can be entered as  prod or \[Product].
See also: NSum.
Examples
Using InstantCalculators
Here are the InstantCalculators for the NProduct function. Enter the parameters for your calculation and click Calculate to see the result.
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Entering Commands Directly
You can paste a template for this command via the Text Input button on the NProduct Function Controller.
This gives approximations to the factorial function.
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Ordinary Mathematical Notation
This gives approximations to the factorial function.
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