![]() You will need to change the range of x to 0 to 360 to get the full graph. You can convert using the degrees symbol or the constant d: Note: by default, all trig functions work in radians, not degrees. Price: Its up to you what you pay if you find Graphmatica easy. X and y as functions of t in parametric form series, polar & parametric functions, vectors, and differential equations. You may reference these functions and constants in the same way as the built-in ones. Suppose the parameter t varies, then the general shape of the graph. Note that you may also define your own single-variable functions or constants using the Functions and Constants item in the Tools menu. You can download the shareware program Graphmatica for free from here as NRICH is an. New data plotting and curve-fitting features. Truncate towards zero (ceiling for x = 0) is a powerful, easy-to-use, equation plotter with numerical and calculus features: Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. Perform summation of a sequence or convergent infinite series. Print and export all of your graphs completely. Heaviside step function: step(x) = 0, for x 0 Graphmatica also has polar, normal differential equations, and parametric equation functions as well. Pseudo-random (time-based) number between 0 and arg Greatest integer ( notation not supported) ![]() This may be used to prevent overflow when the desired expression is actually something like gamma(x)/e^x. The natural logarithm of the gamma function. The statistical function Γ, defined by the recurrence relation Γ(x+1) = x Γ(x) ![]() Synonym for int (greatest integer less than or equal to the argument) Either end may be left open by omitting an operand. 2 m is the start of the domain and n is the end. Specify domain exclusive of m and inclusive of nġ parentheses may be nested to any extent, and you can alternate between ( and [ to aid you in balancing your expressions, but the parser will not differentiate between ( and [. Separate halves of a parametric equation or clauses in a piecewise-defined function Modulo (remainder after integer division)Ībsolute value of expression between "|" characters Less than or equal, greater than or equal ( Special Characters in the Edit menu) to enter characters that don't appear on your keyboard. New data plotting and curve-fitting features. You can use the Special Characters tool window a powerful, easy-to-use, equation plotter with numerical and calculus features: - Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. Graphmatica supports the following operators, functions, and variables in your equations and user-defined functions. Questions? Problems? Please contact me at for additional
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