Pi Day Fun Facts with PTC Mathcad

When i set the formula to "-In(t-0.75)+1.6", the green line will beyond the red line.

Why my Pi graph is "-In(t-0.75)+1.1", not like the PTC Mathcad official graph shown in the following second picture?

pi-mathcad.png?h=702&w=753&la=en

Best answer by MJG

Perhaps they cheated and used Photoshop. PTC contributing to unrealistic image standards.

Answer

1-Visitor

Perhaps they cheated and used Photoshop. PTC contributing to unrealistic image standards.

25-Diamond I

Probably they have changed the way how the abscissa values are chosen in a quickplot when they moved from P31 to P40.

Experiment with a range varable for t and different step values

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