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call with True to turn on the entire Scheme numeric tower, including infinite-precision integers, exact rationals, and complex numbers; call with False to restore native JavaScript arithmetic.

pt:altera utilização de aritmética do Scheme para _

The factorial function, to make very large numbers, to demo bignums.

The identity function: reports its input. It's useful to get things like 3/4 or 5-2i into numeric input slots.

Provides Scheme arithmetic functions not in JavaScript

pt:_ de _ number? complex? real? rational? integer? exact? inexact? exact inexact finite? infinite? nan? numerator denominator real-part imag-part magnitude angle

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