var fDesc=new Array(); fDesc[0] = "The software is designed as a simple accessory for teaching math.
The program can represent the following objects in 3D space:
- regular prism (3 to 10 sides)
- general three-sided prism
- special four-sided prism (adjustable inclination of sides)
- regular pyramid (3 to 10 sides)
For each geometrical object, certain parameters can be interactively adjusted, such as: height and length of sides, inclination of sides, number of sides, etc. Each object can be gradually and smoothly opened or closed from its basic net to a geometrical object. Each adjustment of parameters is interactive and seen immediately - animated. Each object can be freely rotated in 3D space at 'all times of the process'.
Additionally, each object can be zoomed-in, or zoomed-out, at any scale. 3D animation executes at high speed - in real time, even on slower machines."; 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 = ''; } }