159 Calc
To store a number in the memory:
• Tap Min or select Save in while the number you want to store is in the
calculation line. An ‘M’ will appear in the calculator display while
there is a value stored in the memory.
To retrieve a number:
• Tap MR or select Recall.
To add the current number to the number in the memory:
• Tap M+ or select Add to.
To subtract the current number from the number in the memory:
• Tap M- or select Subtract from.
To clear the memory:
• Tap Min while 0 is displayed in the calculation line, or select Clear.
Percentage calculations
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 +.
You can per form 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 x2 AFTER entering the number you want to square.
2. Tap = or press Enter to get the result.
SCIENTIFIC CALCULATIONS
To Next Page
Loading...