Ultimate Calculator for DOS is a graphing scientific calculator that can be used for simple arithmetic, or intricate scientific calculations. It supports many built-in functions, operators, numerical notations, and modes. It also supports user-defined functions and variables.

Ultimate Calculator for DOS solves equations, evaluates expressions, performs numerical integrations, does summations, plots equations and more.

NOTE:Expressions such as this are accepted:
· 63 - 5 + 4.75
· (5.9-abs(2.8/5-3))^2 + sin( 3-(pi+3/4)*myfunction(a,b) )
· solve 3*x^2+2*x-5 = 27
· #b101010 and (#b10101 or #h1CC) * 2^5
· plot sin(x)*x^2/10
· plot3d sin(x)*z

Here are some key features of "Ultimate Calculator for DOS":

· MATH EXPRESSION EVALUATOR for simple or intricate operations
· Arithmetic, bitwise, and relational operators
· Decimal, hexadecimal, binary and octal notations
· Trig, hyperbolic, and many other common scientific functions
· Supports user defined variables & functions with multiple arguments
· Radian, degree, and gradient modes for trig functions
· High precision: 18 significant digits. +/-3.4E-4932 to +/-1.2E+4932
· Equation solver, summation & sumtable, numerical integration