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CASIO

User´s Guide

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∏ Calculations

You can obtain the product of an input f(x) expression for a specific range.

The calculation formula is: (f(x)) = f(a) × f(a + 1) × f(a + 2) × ⋯ × f(b).

The Natural Display input syntax is (f(x)), while Linear Display input syntax is ∏(f(x), a, b).

a and b are integers in the range of a < 1 × 1010, b < 1 × 1010, a ≦ b.


Example: (x + 1) = 720

(MthIO-MathO)

  • ()(X)115
  • 720

(LineIO)

  • ()(X)1(,) 1(,) 5
  • 720

Note

The following cannot be used in f(x): Pol, Rec, ÷R. The following cannot be used in f(x), a, or b: ∫, d/dx, Σ, Π.

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