App description

A plane vector is a quantity that has both direction and magnitude in a two-dimensional plane. In physics, it is also called a vector, which is opposite to the quantity (scalar) with only size and no direction. A plane vector is represented by a small arrow on top of a, B, C. It can also be represented by the starting and ending letters of the directed line segment of the vector.

Vector subtraction

AB-AC = CB, which is called the triangle rule of vector subtraction, which is abbreviated as: common starting point, connecting midpoint, and being subtracted.

-(-a)=a；a+(-a)=(-a)+a=0；a-b=a+(-b).

Usage example

Vector V1: 5, 3

Vector V2: 2, 1

Click "calculate" to output the result

Reduce: 3, 2