Swiss army knife equations

12212013, 06:21 PM
(This post was last modified: 12212013 06:22 PM by r. pienne.)
Post: #2




RE: Swiss army knife equations
On the 35s, you can store a list of equations, using the EQN key. You can evaluate/solve/integrate any of them.
You can also solve/integrate a program, by pressing the FN= key and a program label. To solve, then press the Solve key and a variable name. The calc will try to find the value of the variable so that the program returns 0 on the stack. Page 151 of the 35s user manual explains it. The last paragraph of the Wikipedia article seems to sum it up quite well. I don't know enough about the 42s to compare the two. Free42, here I come! 

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