# Inexact Library The `(scheme inexact)` library exports procedures which are typically only useful with inexact values. For more information see the [R7RS Scheme Specification](../../r7rs.pdf). - [`acos`](#acos) - [`asin`](#asin) - [`atan`](#atan) - [`cos`](#cos) - [`exp`](#exp) - [`finite?`](#finite) - [`infinite?`](#infinite) - [`log`](#log) - [`nan?`](#nan) - [`sin`](#sin) - [`sqrt`](#sqrt) - [`tan`](#tan) #acos (acos z) #asin (asin z) #atan (atan z) #cos (cos z) #exp (exp z) #finite? (finite? z) #infinite? (infinite? z) #log (log z) #nan? (nan? z) #sin (sin z) #sqrt (sqrt z) #tan (tan z)