Calculators I actually use.

[knife31]

Hi everyone
I was looking at my collection and there’s a couple I don’t use at all. So decided to make a list of ones that I actually use for work, etc.…
1970’s thru 1980’s: HP-45, HP-11C, Jeppeson CR-2 Flt Computer (Circular Slide Rule).
Late 80’s thru early 90’s: HP-11C, HP-42
Mid 90’s thru 2000: HP-11C, Military E6B
Home Office: HP-42
Garage Office, HP-28S, HP-35S
On my person : (Depending on the day) HP-11C, PX11C/15C, Hemmi 32 Slide Rule, and now the DM15C Credit Card Calc.
Calc I use the least HP-18C
Calc used most for fun: HP-41CV
Wife uses a HP-12C. (she was at work and the big boss from corporate walked by and said “Wow you use a HP”, upped here creds with the staff.
For the ones that are just in my collection I need to start rotating them or at least pull the batteries.
Randy