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Animation of Exponential function and Derivative (for Students)

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This page explains the relationship between an exponential function whose base is a positive real number and its derivative, using graph animations and still images.
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Colored Cyclic-Harmonic Curve

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This page shows some examples of colored cyclic-harmonic curves applied the golden ratio. This page also publishes the SageMath script to create the example figures.
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File inclusion processing by GNU sed one-liner

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This page describes how to insert a text file into another text file with one-liner program of GNU sed. This page also publishes the Python script to create the featured image.
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[Math] Cyclic-Harmonic Curve on the Golden Ratio

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This page describes the formula of cyclic-harmonic curve applied the golden ratio. This page also publishes the SageMath script to create the figures of multiple cyclic-harmonic curves.
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hashvrfy - Shell script to verify the hash

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This page publishes the shell script to check multiple checksum files at once, also the Python script to create the featured image.
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