HP 50g HP 50g_user's manual_English_HDPSG49AEM8.pdf - Page 53

ALOG, LN, EXP, SIN, COS, TAN, can be combined, measure DEG, RAD, GRD.

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2.45`,¹ 2.3\`„¸ • Three trigonometric functions are readily available in the keyboard: sine (S), cosine (T), and tangent (U). Arguments of these functions are angles in either degrees, radians, grades. The following examples use angles in degrees (DEG): In ALG mode: S30` T45` U135` In RPN mode: 30S 45T 135U • The inverse trigonometric functions available in the keyboard are the arcsine („¼), arccosine („¾), and arctangent („À). The answer from these functions will be given in the selected angular measure (DEG, RAD, GRD). Some examples are shown next: In ALG mode: „¼0.25` „¾0.85` „À1.35` In RPN mode: 0.25„¼ 0.85„¾ 1.35„À All the functions described above, namely, ABS, SQ, √, ^, XROOT, LOG, ALOG, LN, EXP, SIN, COS, TAN, ASIN, ACOS, ATAN, can be combined with the fundamental operations (+-*/) to form more complex expressions. The Equation Writer, whose operations is described in Chapter 2, is ideal for building such expressions, regardless of the calculator operation mode. Page 3-4

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Page 3-4
2.45`‚¹
2.3\`„¸
•
Three trigonometric functions are readily available in the keyboard: sine
(
S
), cosine (
T
), and tangent (
U
).
Arguments of these functions
are angles in either degrees, radians, grades.
The following examples
use angles in degrees (DEG):
In ALG mode:
S30`
T45`
U135`
In RPN mode:
30S
45T
135U
•
The inverse trigonometric functions available in the keyboard are the
arcsine (
„¼
), arccosine (
„¾
), and arctangent (
„À
).
The answer from these functions will be given in the selected angular
measure (DEG, RAD, GRD).
Some examples are shown next:
In ALG mode:
„¼0.25`
„¾0.85`
„À1.35`
In RPN mode:
0.25„¼
0.85„¾
1.35„À
All the functions described above, namely, ABS, SQ,
√
, ^, XROOT, LOG,
ALOG, LN, EXP, SIN, COS, TAN, ASIN, ACOS, ATAN, can be combined
with the fundamental operations (
+-*/
) to form more complex
expressions.
The Equation Writer, whose operations is described in
Chapter 2, is ideal for building such expressions, regardless of the
calculator operation mode.