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2.7.58 Programming Tutorial Exercise 1

Just enter the formula ‘ninteg(sin(t)/t, t, 0, x)’, type Z F, and answer the questions. Since this formula contains two variables, the default argument list will be ‘(t x)’. We want to change this to ‘(x)’ since ‘t’ is really a dummy variable to be used within ninteg.

The exact keystrokes are Z F s Si <RET> <RET> C-b C-b <DEL> <DEL> <RET> y. (The C-b C-b <DEL> <DEL> are what fix the argument list.)