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Do you still use stand-alone ("pocket") calculators?
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Calambres:

--- Quote from: VK3DRB on January 11, 2020, 12:23:56 am ---I still use the Farad 808 scientific calculator I purchased in 1976. Still on my desk. Why throw it out when it still does the job for some work?
But for most engineering calculations and all hex and binary calculations, I use RealCalc on my Samsung S8. Nothing beats it, IMO. It also has RPN mode. Photos here.
--- End quote ---

Funny... I still use occasionally the Hornet SR-30 I was given as a christmas present back in '76. It happens to be the very same calculator as yours 8)

Nowadays I use Free42 in my android cellular and in my computer. It is a fantastic emulation of a fantastic calculator (HP-42S).
Love RPN.
PeteCal:
Old thread but I just found this site.
I have always used HP RPN calculators.
HP-35, HP-28C, HP-48S.
 I can't find any anymore but I have the HP-48 app on my android phone.
Specmaster:
What about the HP 50G and the HP 32SII? I have both of these among my collection.
Calambres:

--- Quote from: PeteCal on May 20, 2023, 09:18:35 pm --- I can't find any anymore but I have the HP-48 app on my android phone.

--- End quote ---
HP just released the "new" HP-15C Collector's Edition

Besides you can have the fantastic SwissMicros reproductions. I have their DM42 based upon the venerable top-of-the-line HP-42s and, in a matter of weeks, they're going to release a new DM32 based upon the HP-32SII.

You've got a LOT of alternatives today...

The SwissMicros' DM42 I've got is one heck of a calculator. Much better than the original IMHO.
RoGeorge:
While I have a Casio FX-991ES at hand, I found myself using a smartphone instead.

Bigger buttons, bigger numbers, has backlight, and if you don't like the calculator app's look, install another one.  Can have more than one calculator at once, and smartphones are usually smaller and flatter than a pocket calculator.

Plus, even the out-of-use 10+ years old smartphones have many extra features useful in the lab:
- camera
- flashlight
- chronometers/timers
- WiFi, BT
- mp3 player/radio
- voice notes
- the big screen ones are great to display a schematic or a datasheet, etc.

I always keep 1-2 smartphones (without SIM) somewhere on the workbench.
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