Sharp EL-512 - Inverse Trigonometric Functions; Hyperbolic and Inverse Hyperbolic Functions; Power Functions and Roots

Put the angular mode at "DEG” .
Calculate: Sin 30° + Cos 40°
Key in the following: 30 [sin] [+ ] 40 [cos] f=]
Answer: 1.266044443
Calculate: Cos0.257r
Put the angular mode at "RAD".
Key in: .25 [X ] ® [= ] S
Answer: 0.707106781
4. inverse Trigonometric Functions
Calculate: Sin-1 0.5
Put the angular mode at "DEG".
Key in: .5 |Sd§ [sin^
Answer: 30
Calculate: Cos-1 —1
Put the angular mode at "RAD". /T o enter a negative number, press the 0a )
Key in: 1 (jA) §*§ \key after numerals.
Answer: 3.141592654 (Value of i t )
5. Hyperbolic and inverse Hyperbolic Functions
When using the hyperbolic and arc hyperbolic functions "HYP" will appear in the lower
part of the display.
Calculate: Sinh 4
Key in: 4 (hyp) (sin)
Calculate:
Answer: 27.2899172
Sinh"1 9
Key in:
9 (2rSj [«fchyp| fifa]
Answer: 2.893443986
Power Functions
Calculate:
202
Key in:
20 @£)
Answer:
400
Calculate:
33 and 34
Key in:
3 ® 3 [= )
Key in:
Answer;
27
Answer
24
25