SFX-Calc is a free calculator app designed for academic, scientific and engineering purpose. The calculator features: 1. Basic arithmetic calculation: Plus, Minus, Multiply, Divide 2. Calculation with one operand fixed as constant 3. Calculation with an non-volatile memory storage 4. Calculation with 10 volatile memory storage 5. Fraction and percentage calculation 6. Linear regression and Statistic calculation 7. Binary / Octal / Decimal / Hexadecimal calculation 8. Various functions like Trigonometric, Hyperbolic, Logarithm, Exponential, Power, Root, etc. 9. UI/UX similar to Casio scientific calculator 10. Formula calculation including Quadratic formula, Standard Normal Distribution Probability, etc.