Online Scientific Calculator

Welcome to the new Online Scientific Calculator for Algebra from Alcula.

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:


Trigonometric functions


Statistics functions


Other functions

This calculator allows you to define your own functions to use in expressions. To define a function type type it in this format: <function name>(<arguments separated by commas>)=<body>. Example: area(x,y)=x*y .

You can also select to display the results in a different notation. Choose between fixed, floating point, scientific or engineering notation. See calculator notation for more information.

You can type your expressions directly in the calculator input field or use the online keyboard.

The following bugs have been fixed in this version: