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Everything HP200LX: Knowledge, Products, Service 

HP CalcHP Calculator has alternate function keys on Palmtop keyboard In HPCalc's calculator mode, the bottom row of keys (Z, X, C, V, B, etc.), along with the L key above become redefined. In the calculator mode these keys perform the various functions printed in white below them. Here is a list of these alternative key modes and what they do. (Z) (square root symbol)  Calculates the square root of the number in the calculation line. For example, if you enter 16 in the calc line and press (Z), the calc line displays the square root of 16 (=4). (X) (1/x)  Calculates the reciprocal of the number in the calc line. For example, if you enter 4 in the calc line, then press (X), the calc line displays .25. (C) (x><y)  Exchanges the number in the calc line for the result of the previous calculation. If the calc line contains two numbers separated by an operator (e.g. /, +, , x), and you are not set up in Reverse Polish Notation (RPN), this function swaps the order of the numbers. For example, 3/4 changes to 4/3. (V) (R followed by a DownArrow)  Enters the number from stack 1 (stack Y in RPN) into the calc line. (B) (LAST)  In Algebraic mode (not RPN), this function copies the result of the previous calculation into the current calculation. (N) (STO)  Stores the number in the calc line to a designated register (i.e.., stores the number in the calc line to a number key you designate). E.g., if you enter 3,452.78 in the calc line, and press (N) (STO) (3), the number 3,452.78 is stored under the 3 key. (To call that number back into the calc line at any time, press (M) (RCL) (3).) (M) (RCL)  Recalls a number you stored previously (when you pressed (N) (STO)), from the register you stored it to. (L) (+/)  Makes a positive number negative, or a negative number positive. For example, if you press (+/) while the number 118 is in the calc line, it changes it to 118. Pressing (+/) a second time makes the number positive again. Tom Gibson HP Palmtop Paper


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