Calculator Plus - PRO

Calculator Plus - PRO is a fast, precise calculator app built for everyday math, business tasks, and study. It combines a clean, large-key interface with pro-level tools to boost productivity. Key features include basic and scientific functions with parentheses and real-time results, percentage and tax helpers for quick discounts and tips, and a full history with editable entries and memory keys. Designed for efficiency, it supports copy and share, customizable themes, and works offline for privacy-friendly calculations. Ideal for students, accountants, shoppers, and anyone who needs a reliable scientific calculator and percentage calculator in one. Core features at a glance: scientific calculator functions, percentage and tax modes, calculation history and memory, customizable layout and themes, offline calculator with fast performance, productivity-focused utilities.

1. Download and open the app, then grant any optional permissions if prompted. No sign-up required. 2. Optional setup: choose a theme, set decimal precision, and enable haptic or sound feedback for your keypad. 3. Start calculating: enter expressions with parentheses, use percent and tax keys for discounts or tips, and view instant results as you type. 4. Use history and memory: tap History to review, edit, and reuse past calculations; store values with M+, M-, MR, and MC to speed up multi-step work. 5. Boost productivity: long-press the result to copy or share, set default tax or tip rates, rotate to landscape for more scientific keys, and add a home screen shortcut or widget if your device supports it.