Labels:electronics | text | screenshot | calculator OCR: exdiffX 44,2 02/17/93 System Help exdiff . .. .... *..... ..... ..... Xexdiff 0.002588701 DEG INV COS Lar DRG EE In PI 1 STO 7 9 RCL 4 5 6 GUM 1 2 + EXC 0 +/- C ======= exdiff com par es two im ages, and returns an im age of the differing area.§