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.