Complex numbers are numbers that consist of two parts — a real number and an imaginary number. They are the building blocks of more intricate math, such as algebra. Skip to main content ...

Addition: To add two numbers such as 2 + 3 on the number line, you move 2 units from the origin, and then another 3, to reach 5. ... The first of these problems can be solved by classical or ...

In this way, we can think of any complex number as a point in the plane, but Argand went a step further: he showed how to think of the operations one can do with complex numbers—addition ...

Complex numbers simplify other areas of math. ... Mathematician Rafael Bombelli’s idea of performing algebraic operations such as addition, subtraction, ...

The graph below shows the total number of publications each year in Complex Geometry and Algebraic Geometry. References [1] Suita Conjecture and the Ohsawa–Takegoshi Extension Theorem .

Our February Insights puzzle sent readers on a treasure hunt based on complex numbers. First we provided a bit of a primer, demonstrating that complex numbers (expressions of the form a + bi, where ...