計算機英語：BASIC語言變量

BASIC Variables
　　BASIC is designed to allow simple programs to be developed quickly，and is widely used on micro-computers．There are many versions of BASIC：However an ANSI standard does exist. Most versions are interpreted interactively, with, statements checked as they are typed in.
　　The end of a line serves to delimit declarations and statements．Colons can be used in most versions of BASIC to separate statements on the same line. All lines have to be numbered, and these numbers serves labels used as the destination of GOTO and GOSUB (subroutine call) statements．Standard BASIC allows up to two characters to be used as identifiers：a letter followed by a digit. Comments are prefixed by REM (for remark)．
　　Types available vary with different versions．On the PET personal computer, there are point floating numbers (the default assumption for an identifier),integers (identifiers ending in％)and strings(identifiers ending in＄)．Variables of these types don’t have to be declared-, numbers have value（）NN-handiest used, strings are null when first used . Howe herewith BASIC on some machines. variables do not have default initialization and an error is indicated if one tries to use an undefined variable．Explicit type con-version is possible, e.g. VAL converts a string representing a number to that number. Multi -dimensional arrays are static and declared using DIM．There are no records.
繙譯：
BASIC語言變量

　　BASIC語言設計得允許迅速開發簡絡程序，同時它也被廣泛地用到微機土。BASIC語言有許多版本，但的確存在著一種ANSI標準文本。大多數版本的BASIC語言，儅其語句被鍵入時，該語句一邊被檢查，一邊被交互地解釋。

　　行結束符是用來給說明及語句定界的，大多數BASIC的版本中， 冒號被用來將同一行的語句分開。 所有的行均必須加以編號，這些編號被用作GOTO和GOSUB（一子程序 調用）語句的目的地的標號。標準的BASIC允許用多達二個字符作爲 標識符：一個字母後跟一位數字， 注釋前麪冠有REM（注釋）標志。

　　可用的變量類型隨版本不同而 各異。在PET個人計算機中，有浮點 數型（缺省值假定爲某一標識 符）、整型〔標識符用％來結尾〕和 字符串型（標識符用￥）。若這些 類型的變量末被說明，則儅它們第 一次被用到時，數字值爲O，字符串則爲空。但是，在某些機器的BASIC中，變量竝沒有缺省值初始 化，如果有誰試圖使用一個未加定義的變量的話，機器將批示爲錯誤。類型的簡易轉換是可能的，如VAL可將代表一個數的串轉換爲該 數。多維數組是靜態的，DIM利用 加以說明，BASIC中沒有一記錄。