7.0版是对这一重要数据库的重大修订和升级。新功能包括:额外的流体和混合物许多流体和混合物的支持和改进模型图形用户界面（GUI）保留了版本6 GUI的整体外观，但是包含了增强的可用性和许多新功能和选项大大提高了计算速度更多用于绘制热力学表面图的选项支持更多的计算选项（例如，flash计算现在几乎支持温度、压力、密度、焓、熵或质量作为自变量的任何组合）支持Excel电子表格和其他应用系统要求:运行Windows TM 95、98、2000、NT 4.0 Me或XP操作系统的PC；需要奔腾处理器（或带数学协处理器的486）；8.0 MB可用硬盘空间。

Version 7.0 represents a major revision and upgrade of this important database. New features include:additional fluids and mixturesupdated and improved models for many fluids and mixturesa graphical user interface (GUI) which retains the overall look and feel of the version 6 GUI, but incorporates enhanced usability and many new features and optionsgreatly improved speed of calculationmany more options to prepare plots of thermodynamic surfacesmany more calculation options are supported (for example, flash calculations now support virtually any combination of temperature, pressure, density, enthalpy, entropy, or quality as the independent variables)support for Excel spreadsheets and other applicationsSystem requirements: PC running WindowsTM 95, 98, 2000, NT 4.0 Me or XP operating system; Pentium processor (or 486 with math coprocessor) required; 8.0 MB available hard disk space.