Citizen SRP-145N manual SCI Scientific Key, DRG Angle unit conversion key, Function Keys

[ 2ndF ] [ FIX ] [ ‧ ] 0. 555555556

Note : [ 2ndF ] [ FIX ] is inactive immediately after and during numerical input.

[ SCI ] Scientific Key

Converts the displayed number into a power of ten and back.

(Ex.) : 12.3456 [ x ] 10 [ = ]	123.456
[ SCI ]	1.23456	02
[ SCI ]	123.456
[ SCI ]	1.23456	02

[ DRG ] Angle unit conversion key

Press to change the angle unit as DEG (Degrees), RAD (Radian), or GRAD (Gradient).

FUNCTION KEYS

[ 2ndF ] [ ], [ 2ndF ] [ ] Sexagesimal Notation / Decimal Notation Conversion Keys

To change from sexagesimal (base 60) notation (degree, minute,

second) to decimal notation (degree) press [ 2ndF ] [ ]. To change from decimal notation to sexagesimal notation, enter the

number in decimal form and then press [ 2ndF ] [ ].

[ sin ], [ cos ], [ tan ] Sine, Cosine, Tangent Keys

Calculate the trigonometric functions of the displayed value.

[ 2ndF ] [ sin –1], [ 2ndF ] [ cos–1], [ 2ndF ] [ tan–1] Inverse Sine, Inverse Cosine, Inverse Tangent Keys

Calculate the inverse trigonometric functions of the displayed value.

[ 2ndF ] [ HYP ] [ sin ], [ 2ndF ] [ HYP ] [ cos ], [ 2ndF ] [ HYP ] [ tan ] Hyperbolic Keys

Calculate the hyperbolic functions of the displayed value.

[ 2ndF ] [ HYP ] [ 2ndF ] [ sin–1], [ 2ndF ] [ HYP ] [ 2ndF ]

[ cos–1], [ 2ndF ] [ HYP ] [ 2ndF ] [ tan–1] Inverse Hyperbolic Keys

Calculate inverse hyperbolic functions of the displayed value.

[ log ], [ 2ndF ] [ 10 x ] Common Logarithm And Common Antilogarithm Keys

Calculate the common logarithm of the displayed value. To calculate the common antilogarithm of the displayed value, press [ 2ndF ] [ 10 x ].

[ ln ], [ 2ndF ] [ ex ] Natural Logarithm And Natural Antilogarithm Keys

To calculate the neutral logarithm of the displayed value, press [ ln ]. To calculate the natural antilogarithm of the displayed value, press

[ 2ndF ] [ e x ].

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