MajorCalculator

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