Long over due. This video contains three examples of how to find the domain and range from a graph.
Evaluate a Function from a Graph
Write an Equation as a Function and Evaluate
Find the Domain o...
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Benjamin makes numbers dance. In his day job, he's a professor of mathematics at Harvey Mudd College; in his other day job, he's a "Mathemagician," taking the stage to perform high-s...
What makes TI graphing calculators cost so much? Mostly, it's because they can. But let's dive into the details in the video!
This is an addendum to LGR Tech Tales - The Calculator Wars:
● Consider supportin...
Security of users' passwords should be at the forefront of every web developer's mind. Tom takes us through the insecure ways in which some websites deal with passwords.
Note: At circa 8mins, the animation does not show how the 'salt' is also stored in t...
Download Excel File: http://people.highline.edu/mgirvin/ExcelIsFun.htm
See how to do a VLOOKUP to a different Sheet using:
1. Sheet References
2. Defined Names
3. Table Formula Nomenclature (Structured References)...
Here is the biggest (?) unsolved problem in maths... The Riemann Hypothesis.
More links & stuff in full description below ↓↓↓
Prime Number Theorem: http://youtu.be/l8ezziaEeNE
Fermat's Last Theorem: http://youtu.be/qiNcEguuFSA
Prof Edward Frenkel'...
Use this to find your vocal range - it only takes 1 minute.
If you sing solo you need to know your range so that you can put songs into keys that suit your voice best.
If you sing in a choir, you need to know your range to find the right section of the...
Delta-sigma converters are ideal for converting signals over a wide range of frequencies from DC to several megahertz with very high resolution results. In a delta-sigma ADC, the input signal is oversampled and then filtered by a digital/decimator filter....
Here's how you do cube roots in your head! Avoid looking like Education Secretary Nicky Morgan who was stumped when asked to do a cube root: https://www.youtube.com/watch?v=x8CV0dfQMdU
Note: the starting number needs to be a perfect cube. So it's more o...