♦REC
FpolI
nPr
[nCE
n\
Rectangular coordinate ** polar coordinate conversion key
Example: refer to page 23.
Combination and permutation key
Example: refer to page 17 and 18.
Pi and factorial key
I 7C l : Used to enter the constant tt {tt = 3.141 592654).
|2ndFil 71! I : Used to calculate the factorial.
n! = n ■ (n—1) • (n - 2 )..........2-1
Hyperbolic/arc hyperbolic key
SIN-’ COS-' TAN-^mPle: Refer t0 page 14-
ISINllCOSllTANl Trigonometric and inverse trigonometric functions keys
3^— Example: Refer to page 12.
| X ’1 1 Reciprocal and cube root key
Example: Refer to page 1 5 and 1 7.
59
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