einSTein is a multi-purpose calculator with mathematical, trigonometrical, financial and calendar functions.
einSTein features: the ability to accept arithmetic expressions or functions (for example to compute the expression (1+a^2)*((a-1)/(a+1) enter the expression as it is written (or paste it from clipboard), enter a value for 'a' and press 'enter' to calculate); graph plotting of a function; computing of integrals and derivates; computing of a function (linear, logarithmic or exponential); solution of f(x) in an interval; matrix computing; complex and vectors calculations; calculation of the interest rate of complete irregular cash flows; solution of triangles; Reverse Polish Notation (8 stack-registers that may be seen in a separate window); a measure/unit converter (with 112 different measures); USA and European date format; saving and printing capabilities; and more. |
