Calculate percentages for common problems like finding a of a number or determining change. Input values and get instant results. Store frequently used calculations. Share results via copy or social media.
Process credit card and ACH payments. Track approved, declined, and historical transactions. Refund or void transactions. Accept tips and custom surcharges. Collect signatures and send email receipts.
& Math Tools • Classic with basic and advanced functions • Financial tools for loan payments and savings planning • Unit conversion for measurements and currencies • Tip calculation and percentage functions • Offline use without internet
