Casio FX-270W PLUS - Coordinate Conversion and Combinatorics; Coordinate Conversion (Pol(x, y), Rec (r, θ)); Permutation and Combination

i Coordinate Conversion (Pol(x, y), Rec (7, 6))
° Calculation results are automatically assigned to vari-
ables E and F.
¢ Example 1: To convert polar coordinates (r=2, 9=60°)
to rectangular coordinates (x, x) (DEG mode)
2 Se2Deme,
y G9} 1.732050808 |
e fc) CE), @ CE) swaps displayed value with value in
memory.
_ © Example 2: To convert rectangular coordinates (1, 13)
to polar coordinates (7, ¢) (RAD mode)
/ gmogos(_ FF
@ @) CE} 1.047197551
e (te) CE), Ge) (2) swaps displayed value with value in
memory.
@ Permutation
¢ Example: To determine how many different 4-digit val-
ues can be produced using the numbers 1 through 7
e Numbers cannot be duplicated within the same 4-digit
value (1234 is allowed, but 1123 is not).
73 [30]
i Combination
e Example: To determine how many different 4-member
groups can be organized in a group of 10 individuals
1008 4770]
(fx-85W: 9 <9)
e18e