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Sonin Foot / Inch / Fraction / Triangle Calculator

• Instantly converts between feet/inches/fractions, decimal feet and meters - at the touch of a button
• Triangle calculation keys solve for rise, run, diagonal, or slope of any right triangle
• Patented, user friendly entry system with dedicated fraction keys
• Full 6-function calculator including memory, square & square root
• Long lasting lithium battery with auto-off feature
• Tough protective case with write-on strip

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