CalcPro

CalcPro is the ultimate all-in-one calculator designed for students, professionals, and everyday use.
Scientific Calculator
Full scientific functions, CAS mode, graphing, matrix, statistics, equation solver, and complex numbers.
Accounting & Finance
Simple & compound interest, loans, NPV/IRR, ROI, depreciation, VAT, salary, WACC, financial ratios, and more — 18 modes total.
Science Modules
Physics, health & fitness (BMI, BMR, calories), geometry (2D & 3D), triangle solver, number theory, date & time with Hijri calendar support.
Key Features
• Dark & light themes
• Handwriting input
• Step-by-step solutions
• Amortization & sensitivity tables
• Saudi Zakat calculator
Free to use. No ads. No sign-in required.