Scientific Calculator (NHA) is 100% free ad-free useful powerful.

User manual: https://sites.google.com/view/nhagames/user-manual/scientific-calculator

Features:
• No Ad.
• Natural input method: Infix notation cursor edit...
• Storable variables.
• Solve Function (Newton's Method).
• Differential Integration calculations.
• Fraction calculations.
• Percentage calculations (e.g. calculate discount premium...)
• Degree minutes seconds calculations (e.g. calculate time)
• Complex Numbers Calculator.
• Statistics Calculator:
Standard Deviation.
Regression Calculations: Linear Logarithmic Exponential Power Inverse Quadratic.
• Programmer Calculator (Base-n Calculations).
• Equation Calculator: Degree Unknowns.
• Matrix Calculator.
• Vector Calculator.
• Number format: Normal Fixed-point Scientific (Exponential) Engineering Notation.
• And many more features.


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https://www.youtube.com/channel/UChbn4K1hl-oKUmLTUu22iLA