All-in-One Calculator

All-in-One Calculator is a smart calculator app that helps you solve daily and study-related calculations in one place.

Key features

Standard Calculator: fast and simple basic operations
Scientific Calculator: advanced math including trigonometric, logarithmic, and exponential functions
Math & Learning Suite:
Fraction arithmetic
2x2 matrix operations (A+B, A-B, A×B, determinant)
Numerical differentiation and integration
Combinations and permutations (nCr, nPr)
Mean and standard deviation
Function graph visualization (y = f(x))
Unit Converter: length, weight, temperature, and area conversions
Currency Converter: live exchange-rate conversion (USD, INR, KRW, and more)
EMI Loan, Discount, GST, and Tip calculators
Age Calculator and D-Day Calculator (Today-based / Date-to-Date)
Pet Age Calculators:
Dog Age Calculator (small/medium/large dog conversion)
Cat Age Calculator (domestic cat conversion)
Why you will like it

Many calculators in one app
Clean and fast interface
Covers both real-life and learning use cases
Pet age notice

Pet age results are reference values to help understand dog/cat life stages.
They may vary by breed and living environment.
Use All-in-One Calculator to solve calculations faster and smarter.