Citizen SRP-145N manual Programming Keys USE in the PGM Mode only

[ √ ], [ x 2 ] Square Root And Square Keys

Press [ √ ] to find the square root of the displayed value. To square the displayed value, press [ x 2 ].

[ 2ndF ] [ 3√ ] Cubic Root Key

Press [ 2ndF ] [ 3√ ] to find the cubic root of the displayed value.

[ 2ndF ] [ 1/x ] Reciprocal Key

Press [ 2ndF ] [ 1/x ] to calculate the reciprocal of the displayed value.

[ 2ndF ] [ x! ] Factorial Key

To find the factorial of the displayed value, press [ 2ndF ] [ x! ]

[ x y ] Power Key

Press any number [ x ],[ x y ], any number [ y ], and [ = ] raise x to the y power.

[ 2ndF ] [ y x ] Root Key

Press any number [ x ] [ 2ndF ] [ y x ], any number [ y ], and [ = ] to display the yth root of x.

[ a bc ], [ 2ndF ] [→ de ] Fraction key

Pressing by [ a bc ] can enter a fraction or convert a fraction to a decimal number. Pressing by [ 2ndF ] [ → de ] can convert a mixed number to an improper fraction and vice versa.

PROGRAMMING KEYS (USE IN THE PGM MODE ONLY)

[ 2ndF ] [ PGM ]─Program Mode Set and Clear Key

Set the calculator to the learn program mode. PGM appears on the display and the previous contents of program memory are cleared.

When you finish entering the program, press [ 2ndF ] [ PGM ]. The program you just entered is stored in the program memory. PGM disappears and the calculator exits the program mode.

[ RUN ]─Compute Key

Runs the recorded program.

[ 2ndF ] [ [X] ]─Specify Variable Key

Lets you have the calculator wait for an entry during a program.

[ 2ndF ] [ HALT ]─Temporarily Halt Calculation Key

Temporarily halts a program so you can view the intermediate results or interrupt calculation.

STATISTICAL KEYS (USE IN THE STAT MODE ONLY)

[ 2ndF ] [ SD ] Statistical Mode Select Key

Sets the calculator to statistical calculation mode. STAT appears in the

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