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Miscellaneous functions
1.234 + 1.234 = I¼21.234+ 1.23
1.234= 2.47
I¼. 2.468
1 ÷ 3 + 1 ÷ 3 = I¼21d3+ 0.33
I½ 3.33-01
1d3= 6.67-01
I» 0.67
I¼. 0.666666666
123m x 456m = 56088m 123*456= 56088.
= 56.088km I¾ 56.088 03
7.8g ÷ 96 = 0.08125g 7.8d96= 0.08125
= 81.25mg I¾ 81.25 - 03
Polar to rectangular coordinates conversions
Formula: x = r • cosθ y = r • sinθ
eg, find the value of x and y when the point P is shown
as θ=60 and the length r=2 in the polar coordinates
DEG 2I²60IÃ 1.
(x)
I² 1.732050808
(y)
I² 1.
(x)
Rectangular to polar coordinates conversions
Formula: r = √x
2
+ y
2
θ = tan
-1y
/
x
(-180°<θ ≥ 180°)
eg, find the length r and the angle θ in radian when the point
P is shown as x=1 and y=√3 in the rectangular coordinates.
RAD 1I²3IÂÄ= 2.
(r)
I² 1.047197551
(θ in radian)
I² 2.
(r)
Other functions
English.PM6 3/3/99, 3:45 PM15