UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Transcendental magic: Schade's peak voltage equation and my discovery!!

cmjones01 · 14th Nov 2017, 2:36 pm

Interesting result, but I think you're probably just reaching the limits of precision of whatever calculating device you're using to get the result. As Q gets larger, so Pi/4Q gets smaller. e to the power of -(small number) is going to be very close to 1, and there will come a point where your calculator doesn't have enough digits to get a sensible result. Indeed, I've just tried the calculation on an ordinary pocket calculator (Casio fx-100D) and it flags an error when I try to do the final e to the x step.

Chris

14th Nov 2017, 2:36 pm	#2
cmjones01 Nonode Join Date: Oct 2008 Location: Warsaw, Poland and Cambridge, UK Posts: 2,681	Re: Transcendental magic: Schade's peak voltage equation and my discovery!! Interesting result, but I think you're probably just reaching the limits of precision of whatever calculating device you're using to get the result. As Q gets larger, so Pi/4Q gets smaller. e to the power of -(small number) is going to be very close to 1, and there will come a point where your calculator doesn't have enough digits to get a sensible result. Indeed, I've just tried the calculation on an ordinary pocket calculator (Casio fx-100D) and it flags an error when I try to do the final e to the x step. Chris __________________ What's going on in the workshop? http://martin-jones.com/