HP 10413 Datasheet download pdf (Page 19)

Try this…

If you haven’t already, out of the menu from the

previous screen. Press the HOME key to see the

screen on the right. Yours may not be blank like mine

but that doesn’t matter.

Press 12 and then press the screen key labeled

. Now press the ALPHA key and then the

alphabetic D key (on the XTθ key). Finally, press the

ENTER key. Your screen should look like mine on the

right. You have now stored the value 12 into memory

D. Each alpha key can be used as a memory.

You can also use these memories in calculations.

Type in the following (not forgetting the ALPHA key

before the D)…. (3+D)/5 ENTER

The calculator will use the value of 12 stored earlier in

D to evaluate the expression (see right). In case you

haven’t worked it out for yourself, the / symbol

comes from the divide key ( ) and the * symbol from the multiply key.

More information on memories and detailed information on the HOME view in

general is given on pages 45.

The calculator also comes with a large number of mathematical functions that

are very useful. They can all be obtained via menus

through the MATH key. Try pressing the MATH key now

and you should find your screen looks like the screen

shot on the right.

The MATH menu is covered in detail on pages 243 but

we will have a brief look now.

The left side of the menu lists the categories of

functions. As you use the up/down arrows to scroll

through the topics, you’ll see the actual list on the right

change. Move down through the menu until you reach

Prob. (short for Probability) and then one step more

and you’ll find yourself back at Real. Now press the

right arrow key and your highlight will move into the

right hand menu (see above). Move the highlight down through this menu

until you reach Round. Press ENTER.

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HP 10413 Datasheet Page 19