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Sprinkler Fitter Calculator (SFC), published by Igneus Incorporated, is a professional, easy-to-use feet and inch calculator designed for field use by fire sprinkler fitters and other piping professionals. Falling into the construction and trade utilities category, the application addresses the everyday measurement and layout calculations required on fire suppression installations, combining dimensional arithmetic with trade-specific reference data in a single mobile-friendly tool. Its core feature is a feet-and-inch calculator that maintains a 100-entry history list, allowing users to review and reuse previous calculations without re-entering values. The calculator supports metric units as well, including meters, centimeters, and millimeters, and it handles fractions in 1/8-inch increments, which matches the precision commonly required in pipe fitting work. Beyond basic arithmetic, SFC includes take-out values for common fittings and valves, saving fitters from consulting separate charts when determining fitting allowances during layout. An integrated angle calculator computes offsets for 90, 45, 22.5, and 11.25 degree piping configurations, covering the standard offset angles encountered in sprinkler system installation. The software also provides a note taker with sharing capability, enabling workers to document job details and transmit them to colleagues; the sharing function is available on the mobile platform only. For usability across varying job site conditions, the interface offers both light and dark themes, accommodating bright outdoor environments as well as dimly lit interior spaces. Typical use cases include calculating pipe lengths and offsets in the field, converting between imperial and metric measurements, applying fitting take-outs during fabrication, and recording measurement notes tied to a project. The current release is version 1.1.0, and only one version of the application is presently listed in the catalog, indicating a single maintained build that consolidates the calculator, offset tools, fitting data, and note-taking features described above.
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