Citizen SRP-145N manual Special Keys

[ M+ ] Memory Plus Key

Press [ M+ ] to total the current calculation and add the result to the value already in memory.

[ 2ndF ] [ KaxÆk ], [ 2ndF ] [ KbxÆk ] Constant (Ka, Kb) Memory Store Key

Press to enter the displayed value into constant memory Ka or Kb.

[ KaxÆk ], [ KbxÆk ] Memory Recall Key

Press to display the contents of a constant memory.

Note :

•Constant memories Ka and Kb can have a value of 0

•If you press [ KaxÆk] or [ KbxÆk] after entering a number or marking a calculation, the displayed value is multiplied by the value in Ka or Kb.

SPECIAL KEYS

[ ( ], [ ) ] Parenthesis Keys

Press to override the calculation’s default order of operation by using parentheses. You can use up to 6 levels of parenthes in a single calculation.

[ EXP ] Exponent Key

To enter a number in scientific notation, first enter the numbers for the mantissa, press [ EXP ], and then enter the numbers for the exponent.

[ 2ndF ] [ π ] Key

Press [ 2ndF ] [π] to display the value of π, which is the ratio of circle’s circumference to its diameter (approximately 3.141592654).

[ 2ndF ] [ X↔Y ] Register Exchange Key

Press [ 2ndF ] [ X↔Y ] to exchange the displayed value (X–register) with the contents of the working register (Y–register).

(Ex.)	123 [ + ] 456 [ = ]	579.
	[ 2ndF ] [ X↔Y ]	456.
	[ 2ndF ] [ X↔Y ]	579.

[ 2ndF ] [ FIX ] Decimal Point Set Key

Use to set the number of digits displayed after the decimal point in either final or intermediate results. The calculator continues to use its full range for internal calculations and only rounds the number in the display.

•[ 2ndF ] [ FIX ] [ 0 ]~[ 6 ] –– Sets the number of digits to be displayed to the right of decimal point.

•[ 2ndF ] [ FIX ] [ 7 ], [ 8 ], [ 9 ], [‧] –– Selects floating point format.

(Ex.)	5 [ ⎟ ] 9 [ = ]	0.555555556
	[ 2ndF ] [ FIX ] [ 2 ]	0.56
	[ 2ndF ] [ FIX ] [ 5 ]	0.55556

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