why i can`t use the glBlendEquantion() function and what should i do;

[zf223669]

i use vc++ to edit the code but when i use and build the
glBlendEquantion() function ,that say "'glBlendEquation' undefined" what is the matter and what should i do that.
thank you :)

[Vexator]

try glBlendEquation() instead :p