var fDesc=new Array(); fDesc[0] = "The R134a Tables Excel Add-In library calculates 23 thermodynamic properties of R134a (1,1,1,2-Tetrafluoroethane). It allows 11 different combinations of input variables to be used for calculations.

Input variables that can be used are:

- pressure,
- temperature,
- enthalpy,
- entropy,
- volume,
- internal energy,
- and quality (vapor mass fraction).


The library is fully integrated in Excel, and available functions can be used in the same way as any other Excel function.

Main Features:


- Professional quality, industrial strength software;
- Based on the formulation for advanced technical applications;
- Accurate and thoroughly tested;
- Create User Defined Functions (UDF) which use R134aTables functions;
- Developed in C for maximum speed;
- Easy to install and easy to use;
- For installation and use of the library no administrator rights required;
- After installation no computer restart required;
- One year free technical support."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }