Compile XLS into EXE (which requires MS Excel to run) with securely hidden formulas. Main features: protect compiled EXE with regkey/license from illigal copying; securely hide formulas by converting them into binary format; setup limit of work period for compiled EXE file; save/load changed data; apply your own image as a splash screen; reflect your application name, version and copyright; load data with different background and font color.