5
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E.g.:
1 [+] 3 [x] 5 [=]
-> 1+3x5
| 16.
[(] 1 [+] 4 [)] [x] 5 [=] -> (1+4)x5 | 25.
10 [-] 3 [x
] [=]
-> 10-3
| 1.
5 [ ] [ln] 2 [=]
-> 5 ln 2 | 3.05132936 thus 5
ln
Your calculator can decipher the difference between the different priority
sequence levels and, if needed, can memorize the data and the operators until
the calculation is solved, and this, using up to 6 different levels for a calcula-
tion in progress.
Percentages
[SHIFT] [%]
Calculates the percentage, the increase or decrease is
expressed as a percentage.
E.g.:
There are 312 girls out of 618 students at school, what is the percentage of
girls?
312 [÷] 618 [SHIFT] [%] | 50.48543689 thus 50,5%
Original price 200 Euros; what is the percentage of the variation if the price
changes to 220 Euros or 180 Euros :
220 [-] 200 [SHIFT] [%] -> 220-200 | 10. thus a 10% increase
180 [-] 200 [SHIFT] [%] -> 180-200 | -10. thus a 10% decrease
There are 618 students at school. 49,5% are boys. How many boys are
there? And how many girls are there?
618 [x] 49 [.] 5 [SHIFT] [%]
| 305.91 thus 306 boys
618 [x] 49 [.] 5 [SHIFT] [%][-]
| 312.09 thus 312 girls
Article at 180 Euros, has a 20% reduction, calculation of new price.
180 [x] 20 [SHIFT] [%] [-] -> 180x20%- | 144.
10% increase
10 [x] 10 [SHIFT] [%][+] -> 10x10%+ | 11.
Divide by 10%
5 [÷] 10 [SHIFT] [%]
-> 5÷10%
| 50. (5÷0.1)
Article at 180 Euros after a 10% reduction. What was the original price?
180 [÷] 90 [SHIFT] [%] -> 180÷90
| 200.
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