ExpressionsinBar is a simple menubar application which provides powerful computer-aided algebra computations. A mathematical expression entered in the popup window is immediately computed and the result is displayed in an associated subview window. With the drag-and-drop feature, results are easily copied into text editors such as Pages or Microsoft Word, or presentation programs such as Keynote or Microsoft PowerPoint. The algebra functionalities include:

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ExpressionsinBar is a simple menubar application which provides powerful computer-aided algebra computations. A mathematical expression entered in the popup window is immediately computed and the result is displayed in an associated subview window. With the drag-and-drop feature, results are easily copied into text editors such as Pages or Microsoft Word, or presentation programs such as Keynote or Microsoft PowerPoint. The algebra functionalities include:

Constants (π, e, etc.)

Integers, fractions, floating numbers

Sequences, lists, vectors, matrices, strings

Operators (+, -, *, /, ^)

Arithmetics on integers, rational, and floating numbers

Arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers (no practical limit to the precision except by the available memory)

Operations on fractions (integer and fractional parts, numerator, denominator, simplification, continued fraction expansion of real)

Real functions (max, min, round, floor, sign, frac, ceil)

Complex functions (re, im, abs, conj, arg, affix)

Polynomials

Factorial, binomial

Exponential, logarithms, roots, powers

Trigonometric functions, hyperbolic functions, and inverses

Algebraic transformations (simplify, normal form, expand, factor)

Trigonometric transformations

Probabilities

Statistics (1d and 2d)

Polynomials algebra

Algebraic calculus

Numerical calculus

Derivatives, limits and series expansion, integrals

Equations, ordinary differential equations

Version 1.1.0:

New Features:

handle units in operations

convert units, transform to SI units, simplify units

several fundamental constants of nature included

Improved User Interface:

new scrolling panel added for units and physical constants

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