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Casio fx-991ZA PLUS II User Manual

Casio fx-991ZA PLUS II
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Important!
A Math ERROR will occur if you perform a calculation while 0 is input for a coefficient.
Changing the Ratio Expression Type
Re-enter the RATIO Mode and select the ratio expression type you want
from the menu that appears. Changing the ratio expression type causes
the values of all Coefficient Editor coefficients to change to zero.
RATIO Mode Calculation Example
Example 1: To calculate X in the ratio 1 : 2 = X : 10
(RATIO) (a:b=X:d)
1 2 10
Example 2: To calculate X in the ratio 1 : 2 = 10 : X
(RATIO)
(a:b=c:X)
1 2 10
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Casio fx-991ZA PLUS II Specifications

General IconGeneral
BrandCasio
Modelfx-991ZA PLUS II
CategoryCalculator
LanguageEnglish

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