HP 6s HP 6S Scientific Calculator - (English) User's Guide - Page 11

Re-using arithmetic operations ++ or ** etc Press the arithmetic operator key twice to re-use an arithmetic operation on a new number. The calculator stores the operation and applies it when you enter another number and press =. Store a calculation for re-use by enclosing it in brackets. Clear the stored arithmetic operation by pressing Ô. 3+2.3 6+2.3 9+2.3 4(3×6) -5(3×6) 3++2.3= 5.3 6= 8.3 9= 11.3 4**(3*6= 72. 5Ó= -90. Using memory ´ m r ³ Ô ¡ f e The HP 6S scientific calculator has one independent memory. M is displayed when there is a value in memory. Press Ô to clear the display or cancel the current calculation without clearing the memory. Press ´ to store the displayed value in memory. Press m to add the displayed value to the memory. Press r to retrieve the contents of memory—to determine its value or include it in your calculation. Press I³ to display the contents of memory and replace it with the value that was displayed before the keys were pressed. Press ¡ to clear the display and the memory (solar model). Press fe to clear the display and the memory (battery model). Fraction arithmetic Ë Press to enter fractions. Press Ë after = to display the fraction as a decimal. In the display, a fraction is reduced to its lowest terms when you press a function command key or =. 4 5/6 × (3+12/3) ÷ 78/9 4Ë5Ë6*(3+1Ë2Ë3)d7Ë8Ë9= Ë 2Ö61×71. 2.86 Calculations 11