4 ms·
You almost have to do this, or buy a used one at a markup, as nobody seems to make them anymore (except circular ones).
by rdiddly 8mo ago
You almost have to do this, or buy a used one at a markup, as nobody seems to make them anymore (except circular ones).
- f_allwein 8mo agoStill available in Germany („Rechenschieber“), eg https://www.wissenladen.de/products/der-rechenschieber https://www.wissenladen.de/products/der-rechenschieber
- randochatter 8mo ago[dead]