HP 10bII+ - Understanding the Display and Keyboard; Cursor; Clearing the Calculator

Getting Started
29
Negative Numbers
Enter the number and press y to change the sign.
Calculate -75 ÷ 3.
Understanding the Display and Keyboard
Cursor
The blinking cursor ( _ ) is visible when you are entering a number.
Clearing the Calculator
Backspace
When the cursor is on, | erases the last digit you entered. Otherwise, | clears the
display and cancels the calculation.
Clear
M clears the current item on the display and replaces it with 0. If entry is in progress,
pressing M clears the current entry and replaces it with 0, but the current calculation
continues. Otherwise, M clears the display of its current contents and cancels the current
calculation.
Clear Memory
]O followed by j,Y,J,: clears a selected memory type (register). Other
memory is left intact.
P
0.41 Calculates 30 ÷ 73.
d4
3.70 Multiplies the result by 9.
Table 2-8 Using parentheses in calculations
Keys Display Description
Table 2-9 Changing the sign of numbers
Keys Display Description
jVy
-75_ Changes the sign of 75.
aD4
–25.00 Calculates result.