Casio CFX-9970G 매뉴얼 - 페이지 8

{카테고리_이름} Casio CFX-9970G에 대한 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Casio CFX-9970G 16 페이지. 3. numerical calculations
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Casio CFX-9970G 매뉴얼
20- 3
ALGBR Mode Commands
Example
P.107
• Other solve functions are available that produce numeric calculation results .
u u u u u Convert to Numeric Value —— (appr)
This command converts an expression to a numeric value.
Syntax: approx <expression>
Example
• Any command to the left of approx causes an error.
Example
• Inputting another ALGBR Mode command or the signum( function into the
Example
k k k k k Difference Between "approx" and Standard Calculations
approx differs from standard calculations (calculations that do not use natural
display notation) in the number of display digits and handling of variables. With
standard calculations, calculation results are displayed without using exponential
notation.
Example
When part of the expression includes a variable, the variable is processed as a
variable regardless of whether or not it has been assigned a value.
Example
To solve AX+B = 0 for X
5(SOLV)1(solve)aA
v+aB,vw
To convert the expression 2 to a numeric value
6(g)6(g)1(appr)
!9cw
1+ approx ( 2 ) (Causes an error.)
approx command causes an error.
approx approx
jMcaw
f*aA+dw
{
X =
1.414213562
2 (Causes an error.)
12157665459056928801
5A + 3
}
–B
A
356