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Plus Minus Calculator is mathematics calculator to generate plus or minus operation fast and easy. Features: • Easy to use user interface. • Instant calculation. • Result is copy able to another app. • Result generates into image and able to save into camera roll. • Able to set font type. • Able to set both font color and background color. • Able to set show calculation steps On or Off. This app is useful for math teachers, educator, or any person who want to prepare math material for teaching.