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

3++2.3=

5.3

 

 

 

 

 

 

6+2.3

6=

8.3

 

 

 

 

 

 

9+2.3

9=

11.3

 

 

 

 

 

 

4(3×6)

4**(3*6=

72.

 

 

 

 

 

 

-5(3×6)

5Ó=

-90.

 

 

 

Using memory

´

 

The HP 6S scientific calculator has one independent memory.

m

M is displayed when there is a value in memory.

r

Press Ô to clear the display or cancel the current calculation without clearing the memory.

³

Press ´ to store the displayed value in memory.

 

ÔPress m to add the displayed value to the memory.

¡Press rto retrieve the contents of memory—to determine its value or include it in your

fcalculation.

ePress 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

ËPress 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= 2Ö61×71.

Ë 2.86

Calculations 11