What am I doing wrong?

*To*: mathgroup at smc.vnet.net*Subject*: [mg2181] What am I doing wrong?*From*: JSNW at msg.ti.com (Jason Welter)*Date*: Fri, 13 Oct 1995 02:22:54 -0400*Organization*: Texas Instruments

Kemp[z_] := If[z>5,Kemp=gft[z] + 21,Kemp=gft[z] - 21] gft[z_] := If[z>5,gft=z^2 + 2,gft=z^2 - 2] Kemp[4] SetDelayed::write: Tag Integer in (-14)[z_] is Protected. $Failed SetDelayed::write: Tag Integer in 7[z_] is Protected. $Failed (-14)[4]