Hp 10s Scientific Calculator User Manual download pdf (Page 20)

Scientific Functions

To perform a scientific function calculation, press

ImeI to enter COMP mode.

COMP...................................................................................

]□:

Some scientific calculations may take longer than

other types of calculations.

You can start the next calculation after the

calculation result displays on the screen .

;r = 3.14159265359

Trigonometric ond Inverse Trigonometric Functions

To change the current angle units (degrees,

radians or grads), press repeatedly until

the following screen appears.

Deg Rad Gra

1 2

Now press the number key ( CD , H or Ci] '

corresponding to the angle unit you want to use.

(Note thot 90°= ^ radians = 100 grads )

Example 1: sin 12” 34’ 56” =0.21 7840422

.............

E (Deg) H12H34H56HB

Example 2: cos( — rad)=0.5

.............

H (Rad) MmSFi1^B3mB

Example 3: cos ' — =0.25Tr(rad)(= — (rad))

.............

ES (Rad)

ME°f^mEH2B2mBWBEHiFTl^B

Example 4:tan '0.789=38.27343992

.............

CD (Deg) [Wi] S 0.789 B

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 43 44

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Hp 10s Scientific Calculator User Manual Page 20