Casio fx-260 SOLAR and Profit on Pricing Calculations

[Gamo]

For Casio fx-260 SOLAR this steps can be use

to Find the "Percent of Total' with the use of [x↔y] function.

The Percent of Total fuction is avaliable with the HP-12C as [△T] button.

I'll use the example provided in the HP-12C User's Handbook on Page 30.

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Casio fx-260 [x↔y] function is use for swaps displayed value with value in memory.

With this funtions the primary use of it is the polar coordinate conversions.

It can also be use to determine the ratio of one item to a total.

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Example:

What is the Percentage of Total amount of A, B and C ?
For [A]3.92, [B]2.36 and [C]1.67

Procedure: FIX 2 press [MODE] 7 then 2

3.92 [+] 2.36 [+] 1.67 [--)] display 7.95 [SHIFT] [min] [÷] 3.92 [SHIFT ] [x↔y] [=]
display 0.49 [x] 100 [=]
display answer for A = 49.31%

[MR] display 7.95 [÷] 2.36 [SHIFT] [x↔y] [=] display 0.30 [x] 100 display
answer for B = 29.69%

[MR] display 7.95 [÷] 1.67 [SHIFT] [x↔y] [=] display 0.21 [x] 100 display
answer for C = 21.01%

To check the answer all three A + B + C ≈ 100%

A = 49.31%
B = 29.69%
C = 21.01%
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Gamo