Casio fx-570ES PLUS User Manual

Example 7: Determine the angle formed by VctA and VctB to three
decimal places (Fix 3). (Angle unit: Deg)
(cosθ =
(A∙B)
|A||B|
, which becomes θ = cos
-1
(A∙B)
|A||B|
)
(SETUP) (Fix)
(VECTOR) (VctA)
(VECTOR) (Dot)
(VECTOR) (VctB)
(Abs) (VECTOR) (VctA)
(Abs) (VECTOR) (VctB)
(cos
-1
)
70

Casio fx-570ES PLUS Specifications

General

Display	Natural Textbook Display
Number of Functions	417
Weight	95 g
Memory	9 variables
Calculus Functions	Yes
Matrix Calculations	Yes
Vector Calculations	Yes
Complex Number Calculations	Yes
Statistical Calculations	Yes
Base-n Calculations	Yes
Table Function	Yes
Vertebrate Function	No
Hard Case	Yes
Equation Calculations	Yes
Power Source	Battery (1x AAA)