2M3

2M3 is a designation that can refer to several different things, most notably a specific type of artillery ammunition and a mathematical expression.

In the context of artillery, 2M3 typically refers to a 122mm high-explosive fragmentation projectile. This type of ammunition is used in various howitzers and other artillery pieces designed for that caliber. The "2M" prefix often indicates a specific manufacturer or series, while the "3" might denote a particular model or a subclass of the projectile with certain characteristics. These rounds are designed to explode upon impact or in proximity to the target, scattering shrapnel over a wide area to inflict damage. Their primary use is in direct support of ground troops or for area denial.

Mathematically, 2M3 is an expression representing the product of the number 2 and the variable M, cubed. This means M is multiplied by itself three times, and then that result is multiplied by 2. For example, if M has a value of 5, then 2M3 would be calculated as 2 * (5 * 5 * 5), which equals 2 * 125, resulting in 250. The exact significance of this expression would depend entirely on the broader mathematical or scientific context in which it appears.