Previous calculations are recorded in a drawer and a scaled rendering of the shape is shown in another.
Geo-Calc is used by teachers, students, educational institutions, engineers, architects, builders, carpenters, town planners, rocket scientists and mathematicians…
(3 MB - QuickTime 7 Required)
Installation
Download Geo-Calc, open the disk image, and drag the Geo-Calc application to your Applications folder.
How to use Geo-Calc
Use the upper tabs to switch between two dimensional and three dimensional figures, and the lower tabs to choose a specific shape.
The information drawer gives general information about the selected shape, as well as the minimum values needed to calculate it.
To perform a calculation enter some values into the fields and click the Calculate button, or hit Return. Your entered values will have a blue background with the results in the remaining fields.
If your entered values do not describe a valid geometrical figure, appropriate messages will pop up which point out the specific problem and suggest which values to change to make it a valid shape.
After calculating, if you only want to change your previously entered values you can perform a 'partial clear' by clicking the Clear button with the Shift key held down (or hitting Shift-Enter).
Tape drawer
The tape drawer lets you review a paper tape of previous calculations for each shape. A Clear button at the bottom of the drawer clears the paper tape for the current shape.
Previous calculations are only displayed and saved if the drawer is open when performing the calculations.
Graphics drawer
The graphics drawer shows a rendering of the calculated shape drawn to scale. For 3D shapes, additional controls enable the grid planes and axes to be toggled on/off.
The shape can be rotated by dragging with the mouse. To auto-rotate do a 'click-drag-release'.
Spotlight
In Mac OS X 10.4 and above Geo-Calc's content is searchable through Spotlight.
Help
Help is available from Geo-Calc's help menu.
