Circles Geometry has 9 graphic calculators to solve line and circle problems. All possible solutions are calculated. It works in your coordinates and units. It can be set to check itself for some values, but the picture, drawn from the calculated values, witnesses that the computations are correct. In the help file you will find how each calculation is accomplished. Use this step-by-step information to code a calculation into your spreadsheet and then check it with Circles Geometry. All solutions are calculated at one time and each is viewable. This pictured solution can be pasted into any other document. . All visible operating phrases of the program language are translatable by the user. Languages supplied: French, German, Dutch, Swedish, Italian, Portuguese, Spanish and English.

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