OK I am taking my first physics class and I am not doing too great in it, but the good thing is this is only the first week of class. My question is about the speed formula. I know that the formula is S=D/T, but I still get the problems wrong even thow I plug in the numbers right. Here is an...

p = x*(1 - (1+r)^-n)/r In words: take the negative nth power of (1+r). Subtract from 1, divide by r. This gives the ratio of p to x. I need to be able to solve for n. Can someone help me with creating a formula out of this to solve for n? :confused:

I am a software engineer. We are creating an efficiency report of employees. we have two reports detail and summary of efficiency of employees. while calculating detail report we are picking up each jobcard done by an employee . Following is the example formula applied is as follows ...

I am keeping an inventory in Excel. Let's say I start with 100 units of widgets, I take 20 widgets from the shelf, but return 10 wdgets later because I didn't use them. I need a formula that shows the 100, then I want to show that I took 20, and then have Excel show that I returned 10. Can...