👉 In mathematics and computer science, "four-handed" refers to a specific way of doing something. This typically involves having two hands placed in front of one another, with both fingers pointing upwards. In this context, it is often used to describe someone who has done something by hand or who is performing an activity using their hands. This term can also have a broader meaning that includes the use of four-handed tools or methods. It's similar to "four-handed operation" in English, which typically refers
