Calculated Industries Construction Master IV HeavyCalc calculator, model 4315 (v1.0). Tested working and includes a new CR2032 battery. Pre-owned with noticeable surface scratches/scuffs (especially on the back reference panel); buttons and display appear clear in the photos. Calculator only—no case or manual is included unless shown.
Free 30-day returns. The seller provides a prepaid return label. Items must be returned in their original condition.
