var fDesc=new Array(); fDesc[0] = "GraphingCalc is a computer program that makes beautiful 2D and 3D graphs from equations. The program is a great learning tool and a “Must Have” for all students of Algebra, Trigonometry and Calculus.

Viewing a graph of an equation makes it much easier to understand how the variables, operators and operands of an equation interact. Graphing multiple equations at the same time helps students learn about relationships between equations, such as intersections, derivatives, and asymptotes.

Main features:
-Can graph equations with addition, subtraction, multiplication, division, exponents, logs, natural logs, trig functions, and pi in both 2D (y=) and 3D (z=)
-Special functions used for Fourier Transform analysis
-Can support multiple equations to be displayed simultaneously
-Support for 2D polar coordinates with variables r (radius) and theta (angle)
-Intuitive use of mouse buttons to rotate, spin, and zoom in on graphs
-Can morph the current graph into the next graph to show the effects of changes in an equation
-Features animation by incrementing variable t (time)
-User definable level of detail to support slower computers
-Can display graphs with a variety of colors, textures, and environmental maps for fun and enhanced viewing detail
-Plenty of built in 2D and 3D examples
-Message bar provides instant feedback on errors in your equation
-Side and bottom panel buttons allows for quick hiding of the control panel and equation box
-Surface grid and bounding box can be individually hidden"; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }