22 discussions on ElectronDepot about the Texas Instruments TI-83: what owners asked, what went wrong, and what fixed it.
Suppose we have a box with some big caps inside, for example 0.2farads that run at about 200 volts. When AC power is off, we want todischarge them for several reasons.Putting, say, a 1K resistor across them dissipates 40 watts and has a200...
Hi All, I have a bright senior in high school.Ok, I'll brag. straight As, all the advanced classes, 4th in GPAfor her class. She's got everything she needs for graduation plus severalcollege level classes. She's a great student and self...
Gents,My round slide rule is developing a sticky center wheel. I can still move it but afraid my thumbs will rub off the lettering over time. It's this model:Obviously the old "rub with a bar of soap" trick like on the linear ones doesn't...
I was just wondering what everyone uses these days for their maincalculator.Me, I presently have two HP48G's. (one is a backup)Used to have the HP41 until it finally died from abuse. (I miss itbadly!!)My first calculator was this...
Hello Folks,Usually I discard all the ad pages but this morning something caught my eye and almost left me in disbelief: Ye olde HP12C is back. 25th anniversary edition and on sale for under $80. Ok, it's the financial version and not the...
My old Sharp EL6400 graphing calculator has sadly died. It has ceased to be. It is an ex-calculator. It was never the best graphing calculator ever conceived, but it got the job done for nearly 30 years. I now need to replace it and was...