This too is not a four-function calculator. It is very high quality though, and a little different from the rest. This became immediately obvious when I unpacked it, since I was unable to operate it at first. Looking carefully at the bakelite housing thouhg, it clearly states "start here" with the lever to the front (to enter a number). To then effect an operation, you push the lever to the back and pull it back to its starting position. This is the type B, which lists. There is also another type without the printer. In any case, the 1930s yellow swirly platic knob is gorgeous, and very tactile ...
