This video explains how to square any two digit number without using a calculator and shows the proof.
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This video explains how to square any two digit number without using a calculator and shows the proof.
This video explains how to derive the area formula for a circle using integration.
This video explains how to derive the area formula for a circle using integration.
This video show a calculation starting with a 3 digit number with all the same digit divided by the sum of the digits is always the same result.
This video show a calculation starting with any counting number that always results in 8. A proof is included.
This video show a calculation starting with any counting number that always results in 3. A proof is included.
This video derives or proved the equation used to determine a tangent plane to a surface.