18 discussions on ElectronDepot about the HP HP-25: what owners asked, what went wrong, and what fixed it.
Hallo,ich verzweifele ein wenig ueber einer sich aufschwingendenOperationsverstaerkerschaltung. Das Ausgangssignal eines AD9958DDS Chips der 2 Vpp mit Offset 1.55 V ausgibt soll von DC (1 Hz)bis 25 MHz auf 30 Vpp verstaerkt werden - Faktor...
Is it true that the RPi4 is susceptible to these security attacks but that no previous versions are?
I found a HP-25 programmable calculator from about 1975 at a swap meet for $3 and it works. Complete with owner's manual, charger and applications does 49 steps and records the keys used. The battery pack and leather case were missing...
¿ alguien me podria dar una pista sobre como obtener el algoritmo empleado en lasiguienteconversión ?En la columna de la izquierda, hay una cifra en formato decimal, y en la derechaenhexadecimal. El número decimal máximo permitido, es...
Hello Folks,Happened again. Bent over to solder something at a client, the trusty HP11C slipped out the shirt pocket and hit the tile floor really hard. This time the asterisk blinked and gave me a scare since you can't buy these...
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...