Scientific Calculator 995 (sc-995) has general calculator function. And it has 76 kinds of functions, binary/octal/hexadecimal calculation, complete mathematical calculation. [Math Functions] - Add, Subtract, Multiply, Divide - Correct Order of Operations (M, D, A, S) - Constant Feature - Parenthesis - Change Sign (+/-) - X^2/Square Root - X^3/Cube Root - Exponents (^key)/Powers of 10 - xth Root - Pi - Percent Calculations [Fractions] - Fraction <> Decimal, Decimal <> Fraction - Improper Fraction <> Mixed Number - Simplification [Trigonometry] - Sin, Cos, Tan & Inverse - Hyperbolic Functions - Converts between DEG, RAD, GRAD [Statistics] - Mean, Sum, # Elements - Standard Deviation - Log, Ln, Inverse Log, Exponential - nPr, cPr, x! - Random Number Generator [Additional Math Functions] - DMS <> DD Conversions - Number Bases - Dec, Hex, Oct, Binary - Polar <> Rectangular Conversions - Boolean Logic Operations [User's Guide] - Include user's guide [Note] This software includes the work that is distributed in the Apache License 2.0. - MathJax -- https://www.mathjax.org