Posted by:
DaveinTX
(
)
Date: August 31, 2020 07:27PM
In late 1973 (Sr year of high school), I bought a TI-99 for $100. All it could do was add, subtract, multiply, divide, 1/x, and SQRT.
In the spring of my first year of University, I bought an HP-55 for the ungodly sum of $450. I actually paid $300 for it as my SIL worked for HP and got a 33% discount. The -55 was the first calculator that was programmable, plus it had a timer. I used that continually until 1984, when it died. I still have it, but it does not work.
bought an HP-15C in 1984. I still have it too, but a couple of the keys quit working. Many years ago I found out that some guy in Germany had created an app for PC computers that was a clone of the 15C. I have it on my laptop.
http://hp-15c.homepage.t-online.de It works perfectly.
I also found that HP created a iPhone app that is also an exact clone of the 15C. Available in the Apple App Store. HP made you buy it, but I paid the price. I have that on my iPhone and iPad.
I also still have the Pickett slide rule that my dad gave me when I was about 15 years old, just starting HS. I cost a TOM of $$$ in the day. I still treasure that too.