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I Forgot The Formula - No Worry

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Formula and Calculator as a Service
by Apolinario (Sam) Ortega


Buy Interactive Formula and Voice Calculator Using Your Smartphone




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Angle Between Two Vectors Reviewer




i j k
Vector A i j k
Vector B i j k

Formula memory recall of vector dot product
Vector A dot product of Vector B

X X X
+ + =


| VA| =  ^2 + ^2 + ^2  

| VA| =



| VB| =  ^2 + ^2 + ^2  

| VB| =





Cos θ = / ( * )

θ = ° degree



INVBAT.COM is helping students, teachers, and employees to create their own customized calculator website that will help them to enjoy and not fear a fast coming digital workplace like industrial internet of things and internet of everything powered by machine learning, deep learning, and artificial intelligence. Imagine now you can solve similar problem as shown in above example in less than a minute by using your smarthphone, tablet, laptop or desktop computer. This computational speed is not possible before internet and cloud technology.

Related topic: So what if I can't remember formula and forget how to use calculator?

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or webpage number 54 or keyword for example: Quadratic


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