how to write an equation in microsoft access?

Question

how to write an equation in microsoft access?

 

For Example:If (x-2)/(x-1)≥1,∈,∞, |-2+(x+3)/(x+1)|=(x-1)/(x+1),f(x)=√(2-x),y=√(1-x^2 )
f(x)={█(x+2 ,
x<-1@x^2,
-1≤x<1@2-x,
x≥1)┤