MajorCalculator vs iWheel

Calculator integrates multiple practical functions including arithmetic calculation, income tax calculation, unit conversion, 3D shape calculations, mortgage calculation, and kinship relationship calculation. · Records complete calculation processes for easy reference, with comment insertion for bookkeeping · Clear history log for instant access and reuse · Built-in stylish skins with customizable themes · Voice broadcast and keypress sounds enhance the calculation experience [Basic Calculator] Basic calculations, long expressions, fractions, and bracket operations with voice broadcast and keypad sounds. Outperforms system calculators. [Income Tax Calculator] Scientifically calculates tax based on pre-tax income, threshold, social insurance, housing fund, and other deductions. [Unit Converter] Supports conversions for: Length | Mass | Area | Pressure | Speed | Internet Speed | Time | Power | Energy | Frequency | Fuel Consumption | Brightness [3D Shape Calculator] Calculations for: Cube, Cuboid, Cylinder, Cone, Pyramid, Prism, Frustum, Sphere, Torus, Cylindrical Ring, Regular Hexagonal Prism Properties include: Length, Width, Height, Perimeter, Volume, Capacity, Area, Surface Area, Base Area, Radius, Diameter, Circle Area, Circumference, Generatrix Length, Edge Length, Platform Height [Kinship Calculator] Instantly identifies relatives like aunts, uncles, and in-laws. Never misaddress family members again! [History Records] Auto-saved calculation logs for easy bookkeeping and data security. [Memo Bookkeeping] Add notes to track income/expense sources for every calculation. [RMB Capitalization] Converts numbers to Chinese RMB capital letters for easier invoicing and reimbursement. [More Features] · Reuse Results: Apply previous results directly in new calculations · Edit/Delete: Modify any expression with highlighted results · Copy: Copy single lines or full calculations for sharing · Font Adjustment: Adjustable font sizes with elderly-friendly mode · Dark/Light Theme: Eye-friendly modes for day/night use · 12 Premium Skins: Customize any color scheme · Corner Styles: Choose rounded or square interfaces · Key Sounds: Multiple feedback tones to prevent mis-taps · Voice Broadcast: Real-time voice confirmation of inputs · Date Stamping: Automatic date tagging for traceability · 10-Decimal Precision: High-accuracy calculations · Rounding Options: Round up/down or use standard rounding [Contact Us] QQ: 1260269149 [Subscription] Plans: Monthly (1 month), Quarterly (3 months), Annual (12 months) Pricing: Monthly: $1.99/month Quarterly: $5.99//quarter Annual: $ 9.99/year Payment: Charged to iTunes account upon confirmation Auto-renewal: iTunes charges 24 hours before expiration Benefits: All skins + Ad-free experience Cancellation: Disable auto-renewal ≥24 hours before renewal Management: Modify subscriptions via account settings [Legal] Privacy Policy: https://sites.google.com/view/xiaofangjisuan/yingsi Terms of Service: https://sites.google.com/view/xiaofangjisuan/tiaokuan

iWheel is the official control and management tool designed for smart electric wheelchairs. It quickly connects to wheelchair devices via Bluetooth, enabling remote control, real‑time location, route tracking, data statistics, and device management for safer, more convenient, and smarter mobility. Key Features • Secure Login & Account Management Supports mobile verification code login and WeChat quick login. Account information is securely encrypted to protect your privacy and safety. • One‑click Binding & Device Management Scan to bind your wheelchair in seconds. Supports multi‑device switching and management; check device status, details, usage rights, and validity anytime. • Smart Wheelchair Control Control movement: forward, backward, turn, speed adjustment, lights, and horn. Supports both joystick and button control modes for simple, intuitive operation. • Real‑time Location & Track Review View real‑time wheelchair location and status. Replay historical routes and record every trip’s path, distance, and duration. • Route & Data Statistics Automatically logs usage, charging, and fault records. Statistics include mileage, duration, frequency, and more, with time‑based filtering for clear data tracking. • Device Settings & Personalization Customize speed units, control mode, battery display, device name, avatar upload, record clearing, and other preferences. • Fault Reporting & Feedback Submit fault reports quickly when issues occur. Attach descriptions and images for fast, efficient after‑sales support. Notes • This app requires compatible smart electric wheelchair hardware. • Bluetooth and location permissions must be enabled for device connection, location tracking, and route recording.