Invalid (approximate) computing is an attractive paradigm for digital processing. Incorrect computing Especially interesting for computer math designs It is related to the analysis and design of the project two Newly used 4-2 compressors for use in multiplier depends on the different features of these designs. Compression, such as invisibility, can be used for circuit-based data of a design qualification. Two separate schemes are proposed for the use of proposed estimated compressors and analyzed for one Dada multiplier provides comprehensive simulation results and Dadda's hardware is implemented The field programmable is done with multiplier using estimated compression with the help of gate array.