OneCalc: All-in-one Calculator

All-in-one Calculator is a free calculator app for iPhone and iPad featuring over 40+ calculators and unit converters categorized under finance, health, date & time, construction, shopping and everyday math.
Simple yet powerful, the following features are built into this all-in-one calculator app:-
STANDARD CALCULATOR
• Includes percent key, negative sign, memory functions, brackets and history viewer.
• Advanced mode includes functions for trigonometry, roots, exponents and logarithm found in scientific calculators.
UNIT CONVERTER
• Convert values between metric/ imperial units with conversion calculators for temperature, length, weight, area, volume and many more.
FINANCIAL CALCULATORS
• Interest calculators using simple and compound interest
• Loan calculator with amortization schedule
• Savings calculator to calculate future value and monthly savings amount
• Currency converter
HEALTH
-Keep track of your body weight with these calculators:-
• BMI calculator
• Calories burnt calculator
• Running Pace calculator
EVERYDAY MATH
• Percentage calculator
• Fraction calculator
• Rounding calculator
• Area/ Volume calculator
• Right-triangle calculator
CONSTRUCTION
-Estimate material requirements for small repair works/ DIY projects with these calculators:-
• Brick calculator
• Concrete calculator
• Tiles calculator
• Lumber volume calculator
• Land area calculator
DATE & TIME
-Find duration between two date/ time values in months, weeks, days, hours, and minutes.
• Date calculator (Also useful for age calculation)
• Time calculator
• Calculators to add/ subtract date and time
BUSINESS
-These calculators are useful when shopping and for those who run small business.
• Profit margin calculator
• Price markup calculator
• Discount calculator
• Tip and split calculator
• Sales tax/ VAT calculator