參數(shù)資料
型號(hào)： NSB8
廠商： Electronic Theatre Controls, Inc.
英文描述： BASIC interpreter for Z80 family
中文描述： Z80的BASIC解釋為家庭
文件頁數(shù)： 54/158頁
文件大?。?/td> 752K
代理商： NSB8
grifo
ITALIAN TECHNOLOGY
Page 42
NSB8 Rel. 5.10
LET
STATEMENT:
LET <numeric variable> = < numeric expression>
LET <string/substring variable> = <string expression>
<numeric variable> = <numeric expression>
<string/substring variable> = <string expression>
ACTION:
The value of the eexpression on the right hand site of the equal sign is assigned to the variable named
on the left side. the reserved word LET is optional, and may be omitted.
EXAMPLES:
10 X=X+1
50 LET A(X)= 6
35 LET Q+SQRT (X)+Y
20 B$=”HELLO THERE”
61 M$ (2,11)= FNN$ (“145-549-0858”)
150 LET Z$=STR$ (Q) +Z$(1,2)+”BOX”
REMARKS:
BASIC permits only one assignment per LET statement. However, several assignments may be made
on one line, as in:
10 A=0 \ B=0 \ C=0
Note, in the line 10 above, the apparent mathematical impossibility of X=X+1. However, as an
assignment, this make sense: the right hand expression is evaluated with the current value of X, and
the result obtained then become X’s new current value. X=X+N has the effect of increasing the value
of X by N. (It is sometimes easier to understand assignement if one resists reading LET statements
as “Q gets Q+1”, or “Z becomes M+173”.)
Only single variable names are legal on the left sode of an assignment (LET) statement. Also, it is
impossible to assign entire arrays with a single LET statement. Each individual element of an array
must be assigned separately.
ERROR MESSAGES:
TYPE ERROR
The type of the expression on the right side is not the same at the type of the variable on the left side.
It is illegal to assign a string value to a numeric variable, or a numeric value to a string variable.
SEE ALSO:
Section USING NUMBERS
Section USING STRINGS
Section USING ARRAYS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NSB8AT 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Glass Passivated General Purpose Plastic Rectifier
NSB8AT/31 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
NSB8AT/45 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
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NSB8AT-E3/31 功能描述:整流器 50 Volt 8.0 Amp 125 Amp IFSM RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Standard Recovery Rectifiers 配置: 反向電壓:100 V 正向電壓下降: 恢復(fù)時(shí)間:1.2 us 正向連續(xù)電流:2 A 最大浪涌電流:35 A 反向電流 IR:5 uA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DO-221AC 封裝:Reel
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