TARGET (CAD software) TARGET (CAD software) TARGET 3001! is a CAD computer program for EDA and PCB design, developed by Ing.-Büro Friedrich in Germany. It supports the design of electronic schematics, PCBs, and device front panels. It runs under Windows and is available in English, German and French. A special branch of the program is the "ASIC Designer", which allows design of integrated circuits. The free version (for non-commercial use) is limited to 250 connection pins or pads on two copper layers. The PCB manufacturer PCB-Pool and Conrad Electronic provide a free unlimited version, that generates only printed output or output for PCB-Pool
Computer-assisted proof the runtime environment and hardware. Other mathematicians believe that lengthy computer-assisted proofs should be regarded as "calculations", rather than "proofs": the proof algorithm itself should be proved valid, so that its use can then be regarded as a mere "verification". Arguments that computer-assisted proofs are subject to errors in their source programs, compilers, and hardware can be resolved by providing a formal proof of correctness for the computer program (an approach which was successfully applied to the four-color theorem in 2005) as well as replicating the result using different programming languages, different compilers, and different computer hardware. Another possible way