Casio fx-180P Manual De Operación página 6

' Different functions will be designated when you press , then a numeral key as
summarized below.
0 (a? : Calculation of Ex' (square sum of x)
0 E (E) : Calculation of Ex (total sum of x)
0 5-3 9? : Calculation of Exy (inner product)
' Use 9?. Q and WE only for writing programs (in "LRN" mode).
0 SR : Conditional jump
"Return to the first step of the program when the contents of the
X-register (display) is positive and otherwise go to the next step."
0 Q : Conditional jump
. " Return to the first step of the program when the contents of the
X-register is equal to or smaller than those of the (VI-register (independent
memory) and otherwise go to the next step."
0 £92 : Unconditional jump ("Return")
Press these keys to return to the first step of the program unconditionally.
(6) Exponent/Pi entry key
0 Enters the exponent of ten up to 199. To enter 2.34 x 10", for example. pressE]
E) in sequence (symbolized by a ).
0 Enters circular constant in 10 digits (3.141592654) when pressed after.,a. or
a function command key (symbolized by (E ).
(7) Addition]Rectangular -> polar key
0 Enters summands.
oPerforms rectangular to polar co-ordinates conversion when pressed after the key.
(8) a Subtraction/Polar -+ rectangular key
0 Enters minuend.
o Performs polar to rectangular co-ordinates conversion when pressed after the key.
(9) 9 Multiplication/Power key
0 Enters multiplicand.
o Raises the base .7: to yth power when pressed after the key.
(10) 9 Division/Root key
0 Enters dividend.
(11) 9 Equal/Percent key
0 Obtains answer.
0 Perform regular percentages. add-ans, discounts, ratios and increase/decrease values
when pressed after the key.
I' (l
(12) g Open parenthesis/Square root/Regression analysis data input key
0 Opens the parentheses. Nestan of up to 18 parentheses at six levels is allowed.
0 Extracts the square root of the displayed number when pressed after the key. (In
this manual this sequence is represented by. Other sequences described below
are also represented in the same way.)
0 Enters data (1:) in regression analysis ("LR" mode).
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