Two New Videos: Derivatives on the HP Prime, Derivative and Integral of abs(x)

Derivatives on the HP Prime Calculator

Video:  http://youtu.be/LXwLiPlKO2M

Notes:

Derivative Template:  Template Key, template is on the top row, 4th column

Numeric Format:  (d* function)/(d varaible = point), press Enter
In RPN Mode: You also need to press Shift+Comma (Eval)
Symbolic Format (CAS Mode):  (d function)/(d variable)
*d represents the derivative symbol

diff command:
diff(function, variable)

Derivative and Integral of abs(x)

Video:  http://youtu.be/8PikrlA5UlQ

A short derivation of the derivative and integral of absolute value function (abs(x)), and how the signum (sign(x)) function plays a part its calculation. 

Graphs made with the online Desmos calculator.  Please visit and explore at www.desmos.com
(This is NOT a paid endorsement)

Eddie


Blog Entry #403

This blog is property of Edward Shore.  2014