Little explorations with HP calculators (no Prime)

03292017, 11:31 AM
Post: #68




RE: Little explorations with the HP calculators
(03292017 11:04 AM)pier4r Wrote: Thanks Simone. Have you considered the sum of the angles in a triangle and a quadrilateral, and properties of vertical angles? Graph 3D  QPI  SolveSys 

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