Max+plusII(或写成Maxplus2,或MP2) 是Altera公司推出的的第三代PLD开发系统(Altera第四代PLD开发系统被称为：QuartusII，主要用于设计新器件和大规模CPLD/FPGA).使用MAX+PLUSII的设计者不需精通器件内部的复杂结构。设计者可以用自己熟悉的设计工具（如原理图输入或硬件描述语言）建立设计，MAX+PLUSII把这些设计转自动换成最终所需的格式。其设计速度非常快。Maxplus2被公认为是最易使用，人机界面最友善的PLD开发软件，特别适合初学者使用。

-Max+ plusII (or written Maxplus2, or MP2) is Altera' s third generation introduced PLD development system (Altera fourth-generation PLD development system is called: QuartusII, mainly for the design of new devices and large-scale CPLD/FPGA) . using the MAX+ PLUSII designers do not need to master the complexity of the internal structure of the device. Designers can use familiar design tools (such as schematic or hardware descr iption language) to establish the design, MAX+ PLUSII automatically turn these designs into the final desired format. The design speed is very fast. Maxplus2 is recognized as the most easy to use, the most friendly man-machine interface PLD development software, especially for beginners.