All-in-one Calculator is the most comprehensive calculator app for Android with many useful additional features. MAIN CALCULATOR • Perform basic calculations such as addition, subtraction, multiplication, and division • Advanced mode supports scientific operations such as trigonometric, logarithmic, and exponential functions • Percentage key to quickly add percentage to a number or subtract percentage from a number ADDITIONAL CALCULATORS Unit conversion • Supports all common units used for measuring length, mass, temperature, area and volume Construction • Right triangle calculator to help with 3-4-5 rule • Area and volume of geometric shapes • Land area calculator using compass Finance • Finance module has calculators for savings and loan repayment • Interest calculation using simple and compound interest • Currency converter (not realtime, currency rates updated 4 times a day) Everyday Math • Add/ subtract fractional numbers • Calculators for finding discount price, tip amount and price per unit when out shopping or dining • Calculate profit margin and tax-included/ tax-excluded price of goods and services Date/ Time • Calculate past and future dates by adding/ subtracting days, weeks, or months • Days between two dates Health • Age calculator • BMI calculator