Calculator Abacus Suite

74 calculators: Standard /Programing /Scientific modes, financial tools, fitness trackers,IP, land, engineering, Cultist & Construction. NoAds,Privacy-first—all local.

The Abacus Calculator Suite - Your Complete Calculator Suite

Transform your iPhone and iPad into a powerful, professional calculator suite with 74 specialized calculators designed for everyday tasks, complex calculations, and professional work. Built with iOS 26's stunning Liquid Glass design language, The Abacus combines beauty with functionality.

74 Professional Calculators

** Financial (26 calculators)** Plan your financial future with comprehensive tools: Loan/EMI Calculator, Mortgage Calculator with amortization schedules, Compound Interest, Savings Goal Planner, Investment Return Analyzer, Retirement Planner, Tax Calculator (Income & Sales), Tip Calculator, Discount Calculator, Margin Calculator, Break-Even Analysis, ROI Calculator, Car Loan Calculator, Down Payment Calculator, Lease vs Buy Calculator, Amortization Schedule, Debt Payoff Planner, Inflation Calculator, Present Value, Future Value, Currency Converter, SIP Calculator, Refinance Calculator, and Markup Calculator.

** Fitness & Health (10 calculators)** Track your health and fitness goals with medically-accurate calculators: BMI Calculator, BMR (Basal Metabolic Rate), Calorie Calculator, Body Fat Percentage, Ideal Weight Calculator, Heart Rate Zones, Protein Intake Calculator, TDEE (Total Daily Energy Expenditure), Macro Calculator, and Pregnancy Due Date Calculator. All health calculators include peer-reviewed medical citations from WHO, CDC, and medical journals for accuracy and compliance.

** Math (11 calculators)** Master mathematics with powerful tools: Percentage Calculator, Fraction Calculator, Ratio Calculator, Average Calculator, Standard Deviation, Quadratic Equation Solver, Prime Number Checker, GCF/LCM Calculator, Standard Calculator (Apple-inspired button interface), Programmer Calculator (Binary/Octal/Decimal/Hex with bitwise operations), and Scientific Calculator (Trigonometry, logarithms, and advanced functions).

Engineering (17 calculators) Professional engineering tools for students and professionals: Unit Converter (comprehensive conversions), Land Measurement, Ohm's Law Calculator, Power Calculator, Frequency Calculator, Wavelength Calculator, Resistance Calculator, Binary Operations, Number System Converter, IP Subnet Calculator, Color Converter, Cutlist Optimizer with AI-powered optimization and DXF/PDF export, Room Size Calculator, Floor Area Calculator, Wall Area Calculator, Paint Calculator, and Tile Calculator.

** Other (10 calculators)** Essential everyday tools: Age Calculator, Date Difference Calculator, Timezone Converter, GPA Calculator, Password Generator, Grade Calculator, Trip Cost Calculator, Solar Panel Calculator with 25-year ROI analysis, Wind Energy Calculator, and Fuel Efficiency Calculator.

Privacy-First Architecture

Your privacy matters. The Abacus:

• Performs ALL calculations locally on your device
• Collects ZERO user data
• Sends NO analytics or tracking information
• Requires NO internet connection for calculations
• All data encrypted with iOS Data Protection
• Optional biometric authentication for app access