The digit used in the modern Western world to represent the number 2 traces its roots back to the Indic Brahmic script, where "2" was written as two horizontal lines.

See the number two on a number line, five frame, ten frame, numeral, word, dice, dominoes, tally mark, fingers and picture representations. I Can Show the Number 2 in Many Ways.

Group 2 in the periodic table of elements consists of the alkaline earth metals, which commonly have a valence of +2. Also, period 2 in the periodic table consists of the eight elements lithium through neon.

Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

Instead of just giving a final answer, Symbolab’s AI Math Solver breaks problems down step-by-step. It shows what to do first, how each step builds on the last, and how each move brings you closer to the …

This page includes copy-and-paste number 2 symbols (and may also include a 2 emoji where supported), with examples such as ②, ⑵, Ⅱ, and ٢ that you can use in profile names, social apps, …

The superscript two, ², is used in mathematics to denote the square of a number or variable. It also represents the second derivative in calculus when used as a notation for differentiation.