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How to Enable Automatic Recalculation
I'm new to Mathematica, so perhaps there is a simple answer to this question. How to I set Mathematica so that when I change the value assigned to a variable it will automatically change all later calculations that use that variable. For example, if I set a = 5 and b = 3 + a I would like the value of b updated each time I change the value of a. Right how, I need to recalculate each and every expression that uses the variable a if I change its value. There must be a better way. -- Vic Roberts Replace xxx with vdr in e-mail address.