Datexx DS-700-30Xa owner manual Trigonometric Functions, Statistical Calculations

Trigonometric Functions

			Press					Displayed
Sin53º		[Mode][DRG]				DEG	53 sin	(0.79863551)
Tan 65grad[Mode][DRG]						GRAD	65 tan	(1.631851687)
Cos22		[Mode][DRG]				RAD	22 cos (-0.999960826)
Inverse Trigonometric Functions
Sin–10.3 [DEG] . 3 INV sin-1							(17.45760312˚)
Cos-10.8		[DEG] . 8 INV cos-1					(36.86989765˚)
Logarithmic Functions
Log 123=		1 2 3 log					(2.089905111)
In 123=		1 2 3 In					(4.812184355)
Exponential calculations
e22 =		2 2 INV e x					(3584912846)
102.3 =		2 . 3 INV 10 x					(199.5262315)
Reciprocal Calculations
	1
	2x3+4 = 0.1			2 x 3 + 4 = 1/x				(0.1)
Factorial Calculation
(4x2–3) ! = 120					4 x 2 – 3 = INV n!			(120)
Trigonometric Calculations
Cosec x =		1
			Sin x
		[DEG]			4 5 sin 1/x		(1.414213562)

Hyperbolic Calculations
Cosh34 =
3 4 HYP cos	(2.917308713 x 1014)

Inverse Hyperbolic Calculations Sinh-1 1.5 x 1025 = 58.66323961 1 . 5 EXP 2 5 INV HYP sin

(58.66323961)

Statistical Calculations

DATA	Enters statistical data
	Displays Sum of the data

nDisplays the number of data

s n-1	Displays the Standard deviation
	sample
	Displays the Square sum of the data
	Displays the Mean value of the data
	Displays the Standard deviation
	population parameter

Note: In scientific mode the results may be dis- played in the form of exponent

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