Psion netBook, Руководство пользователя

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119 Calc
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Use % on the Desk calculator to perform percentage
calculations.
• To calculate 40% of 60: enter 60×40, then tap % .
• To increase 60 by 40%: enter 60+40, then tap % .
• To decrease 60 by 40%: enter 60-40, then tap % .
• To calculate what % 60 is of 200: enter 60÷200, then
tap % .
• To find the number that 60 is 40% of: enter 60÷40,
then tap % .
You can use a combination of the memory and the % facility for,
say, tax calculations. If you have the rate of taxation stored in the
memory, you can quickly add or deduct the tax from any
number:
• To add the tax to a number: enter the number and tap
+ . Tap MR and then % .
• To deduct the tax from a number: repeat the above,
using - instead of + .
Scientific calculations Scientific calculations Scientific calculations Scientific calculations Scientific calculations
To perform a calculation in the Scientific view:
1. Use the number, operator and function buttons to enter
your calculation. Enter scientific functions in the order you
would write them down. For example, tap log BEFORE
entering the number you want to find the log of, but tap x
2
AFTER entering the number you want to square.
2. Tap = or press Enter to get the result.
• Tap the Shortcuts button in the Toolbar to display a list of
shortcut keypresses.
• To clear the calculator display: tap AC or press Esc.
• To remove the item immediately to the left of the
cursor: press Delete.
You can position the cursor anywhere on the calculation line
using the pen or the arrow keys.