He needs a new battery This handheld scientific calculator is the perfect tool for machinists and other professionals in need of precise calculations. With a brand that is trusted in the industry, the Calculated Industries Machinist Calc Pro Model 4087 features a regular key size and operates on battery power. Ideal for use in business and industrial settings, this device belongs in the office equipment category and is commonly found in the calculators section. Get all your calculations done quickly and accurately with this reliable scientific calculator.
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