Graphing Calculator. Représentations graphiques. Online Scientific Calculator. For help refer to the Instruction manual and to the Online Scientific Calculator blog entries. This is a formula calculator. Enter your expressions in the same order as you would write them on paper. Then press '=' to display the result. Use parenthesis to alter the order of operations or to specify function parameters.
Example of a valid expression: (-3+sqrt(16/4))/4 Results are displayed as fractions when possible, as well as in their floating point approximation. This calculator supports the following operators, functions and constants: Operators + - * /: Addition, subtraction, multiplication and division cis: Use for entering complex numbers in polar form (See Complex Numbers) Trigonometric functions sin: Sine asin: Inverse sine (sin-1) sinh: Hyperbolic sine cos: Cosine acos: Inverse cosine (cos-1) cosh: Hyperbolic cosine tan: Tangent atan: Inverse tangent (tan-1) Constants e: The constant e i: The imaginary unit (See Complex Numbers for more information) pi: The constant PI (&pi) ! Logarithms. Online Scientific Calculator and Math Help | eCalc. Web 2.0 scientific calculator.