RionaCalc

RionaCalc is a simple but powerful calculator that works with arithmetic expressions. The major features of the program are: supports more then 20 mathematical and logical operators and more than 40 functions has built-in module for the units of measurement conversion remembers upto 500 last expressions and results two number formats works with Complex numbers, common fractions, date, time and stings works with numbers in non-Decimal scales of notation: binary, octal and hexadecimal numbers solves the quadratic Equation finds root, minimum, maximum of the function and calculates value of define integral in any interval unlimited number of user-defined variables the possibility of adding your own functions using built-in programming language can draw 2D and 3D graphics. What is new in the last version: Many improvements in Graph-2D window Fixed: calculator crashed after trying calculate lcm(0;0) or gcd(0;0) New: added random number generator (Mersenne Twister) and two functions: randinit - initialise random number generator, rand - generate the next random number New: added in main menu item for calling Graph2D window: Tools->Graph 2D