The following should help draw several graphs.
When you enter a function you should press [ENTER] to validate. At the same time, the cursor moves to the next line. Verify that the = sign on the equation already entered is still highlighted.
If for some reason the = sign of an equation is no longer highlighted, use arrow keys to move cursor on the = sign and press [ENTER].
If only one = sign remains highlighted and all others are not, then in all probability
the application Transfrm has been executed before and is still lingering in RAM. When in RAM, it
takes over the graphing capabilities of the native OS. This prevents you
from drawing more than one graph.You must unload it from memory.
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