RedCrab 5.7.1

The red crab is free and scientific calculator at the same time expanded, which provides a full editor of the formula of the screen.
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Enter multiple formulas and mathematical operations with the program is very simple and intuitive, and it's all thanks to an innovative editor, where all mathematical operations on a virtual sheet of paper.
Red Crab beyond the usual options to perform simple mathematical calculations also enables more complex operations. No problem, calculate integrals, logarithms, complex numbers, or other more complex mathematical operations containing vectors, fractions and the trigonometric functions.
Using the calculator you can enter text, draw complex graphics and the use of the characters of the Greek alphabet, which are often used in physics or mathematics. RedCrab calculators are extremely useful not only for students and pupils, but also for scientists and engineers. It is interesting that requires no installation on your hard drive and have the tools to print, write different types of tool structures and formulas.
RedCrab 5.7.1