Calculators Undetermined variable input for the ti89

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To create a function that calculates the equivalent resistance of multiple resistors in parallel, the focus is on allowing an undetermined number of arguments. The recommended approach is to use a list to pass the resistor values. In Python, this can be achieved by defining the function with a parameter that accepts a variable number of arguments, such as using *args. The formula for calculating the total resistance is 1 divided by the sum of the reciprocals of each resistor value. This can be implemented by iterating through the list of resistors and applying the formula. Additionally, users can be prompted to input resistor values in a loop, which can then be converted into a list for calculation. This method provides flexibility in handling any number of resistors efficiently.
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I'm trying to create a function that will calculate any amount of resistors in parallel but I do not know how to allow an undetermined amount of arguements for input (rather than a fixed amount). Basically it would look like this pll(R1,R2,R3,Rn) where Rn would be anything from R2 to R1000 or whatever. The equation is 1/(1/R1 + 1/R2 + 1/R3 + 1/Rn).
 
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Either use a list as an argument, or ask the user to input resistors in a loop
 
How do I use a list as an argument?
 
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