So much this! I had a really time learning calculus, due to these "tricks". Wolfram Alpha's step-by-steps helped me so much. I could have went and harassed a TA

So much this! I had a really time learning calculus, due to these "tricks". Wolfram Alpha's step-by-steps helped me so much. I could have went and harassed a TA, and I still did that occasionally, but I could largely do it on my own with the computer's help.