Equations Of Equations

Sometimes equations can depend on other equations. Often you'll want to see how an equation acts with an additional term. GraphCalc provides an easy and powerful way to accomplish this.

For example, if your first equation was "sin((x/2)^2)" and you wanted a second equation that was the same, but with an additional cos term, you could enter "(y1)+cos(x)". To include another equation just put the term (y1) or whatever number you'd like to include. This technique works for all 2D Euclidean graphs "(y1)", 2D Polar graphs "(r1)", and all 3D graphs "(z1)".

Equations do not have to be active to be used in other equations. Y1 may contain an equation you'd like to use in another equation, but you don't want to see Y1 itself. No problem. Leave Y1 unchecked. It will still be available for use in other equations.

Accidently you might make a loop. If you try to make Y1 use Y2 and Y2 use Y1, or similar loops, GraphCalc will let you know, and tell you to fix the situation.