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计算机考研408历年真题和答案汇编(2009-2020).pdf
考研408计算机历年真题,含答案和书签。
从2009年至2020年份,都有真题和答案,考研刷题必备。
扫描版,略有模糊,但是能看清,介意勿下。
2021-01-26
EXCEL 函数速查手册
EXCEL 函数速查手册
一、数学和三角函数(60条)
·ABS ·ACOS ·ACOSH ·ASIN ·ASINH ·ATAN
·ATAN2 ·ATANH ·CEILING ·COMBIN ·COS ·COSH
·COUNTIF ·DEGREES ·EVEN ·EXP ·FACT ·FACTDOUBLE
·FLOOR ·GCD ·INT ·LCM ·LN ·LOG
·LOG10 ·MDETERM ·MINVERSE ·MMULT ·MOD ·MROUND
·MULTINOMIAL ·ODD ·PI ·POWER ·PRODUCT ·QUOTIENT
·RADIANS ·RAND ·RANDBETWEEN ·ROMAN ·ROUND ·ROUNDDOWN
·ROUNDUP ·SERIESSUM ·SIGN ·SIN ·SINH ·SQRT
·SQRTPI ·SUBTOTAL ·SUM ·SUMIF ·SUMPRODUCT ·SUMSQ
·SUMX2MY2 ·SUMX2PY2 ·SUMXMY2 ·TAN ·TANH ·TRUNC
二、统计函数(80条)
·AVEDEV ·AVERAGE ·AVERAGEA ·BETADIST ·BETAINV ·BINOMDIST
·CHIDIST ·CHIINV ·CHITEST ·CONFIDENCE ·CORREL ·COUNT
·COUNTA ·COUNTBLANK ·COUNTIF ·COVAR ·CRITBINOM ·DEVSQ
·EXPONDIST ·FDIST ·FINV ·FISHER ·FISHERINV ·FORECAST
·FREQUENCY ·FTEST ·GAMMADIST ·GAMMAINV ·GAMMALN ·GEOMEAN
·GROWTH ·HARMEAN ·HYPGEOMDIST ·INTERCEPT ·KURT ·LARGE
·LINEST ·LOGEST ·LOGINV ·LOGNORMDIST ·MAX ·MAXA
·MEDIAN ·MIN ·MINA ·MODE ·NEGBINOMDIST ·NORMDIST
·NORMSINV ·NORMSDIST ·NORMSINV ·PEARSON ·PERCENTILE ·PERCENTRANK
·PERMUT ·POISSON ·PROB ·QUARTILE ·RANK ·RSQ
·SKEW ·SLOPE ·SMALL ·STANDARDIZE ·STDEV ·STDEVA
·STDEVP ·STDEVPA ·STEYX ·TDIST ·TINV ·TREND
·TRIMMEAN ·TTEST ·VAR ·VARA ·VARP ·VARPA
·WEIBULL ·ZTEST
三、文本和数据函数(28条)
·ASC ·CHAR ·CLEAN ·CODE ·CONCATENATE ·DOLLAR 或 RMB
·EXACT ·FIND ·FINDB ·FIXED ·JIS ·LEFT 或 LEFTB
·LEN 或 LENB ·LOWER ·MID 或 MIDB ·PHONETIC ·PROPER ·REPLACE 或 REPL
·REPT ·RIGHT 或 RIGHTB ·SEARCH 或 SEARC ·SUBSTITUTE ·T ·TEXT
·TRIM ·UPPER ·value ·WIDECHAR
四、逻辑运算符(6条)
·AND ·FALSE ·IF ·NOT ·OR ·TRUE
五、查找和引用函数(17条)
·ADDRESS ·AREAS ·CHOOSE ·COLUMN ·COLUMNS ·HLOOKUP
·HYPERLINK ·INDEX ·INDIRECT ·LOOKUP ·MATCH ·OFFSET
·ROW ·ROWS ·RTD ·TRANSPOSE ·VLOOKUP
六、数据库函数(13条)
·DAVERAGE ·DCOUNT ·DCOUNTA ·DGET ·DMAX ·DMIN
·DPRODUCT ·DSTDEV ·DSTDEVP ·DSUM
2019-02-21
ASCII码对照表
ASCII码对照表
目前计算机中用得最广泛的字符集及其编码,是由美国国家标准局(ANSI)制定的ASCII码
(American Standard Code for Information Interchange,美国标准信息交换码),它已被国际标准化组织(ISO)定为
国际标准,称为ISO 646标准。适用于所有拉丁文字字母,ASCII码有7位码和8位码两种形式
2019-02-21
Atom开发工具
Atom开发工具
Atom 是github专门为程序员推出的一个跨平台文本编辑器。具有简洁和直观的图形用户界面,并有很多有趣的特点:支持CSS,HTML,JavaScript等网页编程语言。它支持宏,自动完成分屏功能,集成了文件管理器
2019-02-21
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