Wolfram Language & System 10.3 (2015)|Legacy Documentation

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gives .


  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • The argument of Sinc is assumed to be in radians. (Multiply by Degree to convert from degrees.)
  • Sinc[z] is equivalent to Sin[z]/z for , but is 1 for .
  • For certain special arguments, Sinc automatically evaluates to exact values.
  • Sinc can be evaluated to arbitrary numerical precision.
  • Sinc automatically threads over lists.
Introduced in 2007