Flowercalc is Hans Bloemen

I live in a small town in Germany, close to the border of Holland.

I collect early electronic calculators since beginning of 2001. At first I started to collect old computers and all calculators I could get, but space ( I had over 1600 different calculators) forced me to decide that I had to specialize myself. The key collection is the early nixie tube desktop calculators, early pocket calculators of the brands Hewlett Packard, Texas Instruments, Litronix and the russian brand Elektronika. Besides those brands I also search for calculators of calculating devices, which are special or are the start of a new era in calculating

My collection of 498 calculators contains of 103 nixie tube, 20 (cathode) tube, 200 red LED calculators and 70 green VFD ones.

I buy the calculators at flee markets in the Netherlands, Belgium and Germany, and even when I am on holiday I keep looking for them. I Also buy them at Ebay.

If you have calculators for sale or for swap, please email me

I prefer to swap the spare calculators I have, but I am also willing to sell.