Casio DJ-220D Plus Desktop Check & Correct Calculator

Description

300-Steps Check & Correct: Review and scroll through up to 300 previous calculation steps, edit values/operators, and re-execute to generate updated results. Sound-Assisted Recheck: Emits a buzzer alert if an error or mismatched key is pressed during a secondary verification pass. Tax & Business Functions: Includes dedicated keys for automatic tax calculations, mark-up (MU) for cost/profit analysis, and Grand Total (GT). Display & Build: Features an extra-large angled LCD with 3-digit comma punctuation markers, localized number formatting (including Indian comma style), and a tough metallic faceplate. Dual Power Supply: Operates on solar power with an LR44 battery backup