mathematical
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Render formula Support forum renderformula Render mathematical formulas as images This class can be use to render mathematical formulas as graphical images. It parses a formula with constant and variable values combined with several possible mathematical operations. Currently it supports formulates
...This class can be used to perform simple mathematical operations. Currently it can: 1. Add, subtract, multiply and divide numbers 2. Find roots of an equation, if any 3. Base calculations 4. Simple geometrical calculations for circles and triangles 5. Fractional notation of a number The code and the
...Eval Math Support forum evalmath Safely evaluate mathematical expressions This class can be used to safely evaluate mathematical expressions. The class can take an expression in a text string and evaluate it by replacing values of variables and calculating the results of mathematical functions and
...polaca Support forum polaca Evaluate mathematical expressions This package can be used to evaluate mathematical expressions. It parses and evaluates a string with a mathematical expressions using the polish notation of Jan Lukasiewicz. The expressions are made of variables, constant values and operators
...... CAPTCHA validation using animated math expressions This class can be used to perform CAPTCHA validation presenting to the users simple mathematical expressions as a sequence of animated pictures to make it difficult for robots to pass a form being validated. It generates an animated GIF image that ...... using math operations This class can be used to perform CAPTCHA validation using math operations. It can generate an image that displays a simple mathematical operation between two random integer numbers. Currently the class supports the addition, subtraction and multiplication operations. The user ...... Evaluate reverse polish notation expressions This class can be used parse and evaluate RPN (reverse polish notation) expressions. It can parse a mathematical expressions with operands and operators in reverse polish and evaluates the expression. If the expression is split in multiple lines, it can ...... Guard Support forum mathguard CAPTCHA validation using math expressions This class can be used to perform CAPTCHA validation presenting simple mathematical expressions to the users to make it difficult for robots to pass a form being validated. It displays a mathematical expression of a sum between ...This package can be used to perform CAPTCHA validation spelling mathematical expressions. It generates a random mathematical expression consisting of one of several possible simple operations between two random numbers. The class presents the expression spelling the numbers and the operation using
...xFraction Support forum xfraction Perform mathematical operations with fractions This class can be used to perform mathematical operations with fractions. It can take as parameters fractional numbers represented in several ways, like array with numerator and denominator integer values, integer,
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