Data file created by Durango, a program used for analyzing data measured by interferometers; saves OPD (Optical Path Difference) visualizations as well as supporting datasets; used for optical surface figure metrology.
File extension is used by ZX Spectrum emulators.
Document created with OmniPage scanning, OCR, and page creation software; may contain images, text, and page layout information; saved in a proprietary format that can only be opened with OmniPage or OmniPage Professional software. OmniPage was previously developed by ScanSoft, which is now part of Nuance Communications.