Darel and Linda Hardy
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Delft
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Darel and Linda 2014
Tokyo
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Mickelson Trail 2014
Darel and Linda 2015
South America 2015
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Darel and Linda 2016
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Cabo San Lucas
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Route of the Maya
Darel and Linda 2019
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Darel and Linda 2022
Darel and Linda 2023
Iowa Bike Tour
Darel and Linda 2024
Croatia at Christmas Time
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Erie Canal Bike Tour
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Rhone River
The Way I Remember It
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Darel’s Life on the Farm
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How I Became a Mathematician
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Mill Creek
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Doing Mathematics
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Doing Mathematics
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Rings and Modules
Statistics Primer
The First 101 Interesting Numbers
Topics in Mathematics
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Curves and Functions
Logarithms
Parabola of best fit
Details
Riemann Sum
Morphing
Surface area
Polar morph
Instructions
Transforming a sphere into a cone
Transforming a sphere into a donut
Optimization problems
Box
Cone in a sphere
Cylinder in a cone
Cylinder in a sphere
Rectangle in an ellipse
Solids
Average radius
Cylindrical shells
Double integral
Solid of revolution
Three pyramids
Surfaces
Contours
Cross section
Partial derivative
Surface area
Area of a circle
What is an ellipse?
Rectangular Equations
Parametric Equations
Details
Average Values
Average Distance
Unit Interval
Unit Square
Unit Circle
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Unit Sphere
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Rectangular solid
Cube
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Weighted Averages
Functions
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Ellipse
Glossary of Math and Science
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Mill Creek
20
By
Darel
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Published
February 6, 2025
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