Can Anyone Spare Some Vacuum Tubes?

I whipped out my calculator recently for something or other, and it only just hit me how old this thing is. I bought it for use in Grade 10 math class, and even then it was at the lower end of the HP line, with the fancy-shmancy calculators with *two* lines of text just coming out. And it would be another few years before graphing calculators would become all the rage among university students.

I’ve only ever had to replace the batteries in it once, too. I wish more things lasted that long…

One thought on “Can Anyone Spare Some Vacuum Tubes?”

  1. Holy carp! I remember that thing.

    If it’s any consolation, I still have my calculator from the same year.

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