bcTester 4.0 is freeware for barcode reading (linear and 2 dimensional data matrix and pdf417) on digital images captured by scanners or camera. All common barcode types are recognized. Test if your barcodes are readable and check the content!
Electronic circuit simulator with rapid schematic capture and many simulation features including Monte Carlo analysis, Parameter Sweep analysis, Pole-Zero calculation, multiple voltage probes, input impedance, real and ideal op amp models.