纯净系统
软件下载

Qalculate! (计算器) v5.0.0 官方便携版

介绍

Qalculate! 多功能计算器,一款桌面系统上的一个计算器软件,提供所需要的各种计算器优化项目,提供科学计算器功能,比电脑自带的计算器软件要更加强大,一些科研与学术领域所需要的计算要求也能满足。

软件截图

软件特点

计算与解析:

基本运算和操作符:+ – * / ^ E () && || ! < > >= <= != ~ & | << >>

字符串的容错解析:log5/2.5(3)+(2(3+5 = ln(5)/(2.53)+23+5)

表达式可以包含数字、函数、单位、变量、向量、矩阵及日期的任意组合

支持复数和无穷量(∞)

误差传递

区间算法(用于确定有效数字或直接计算间隔的数)

支持所有常用进制,以及负数、非整数根,六十进制数,时间格式和罗马数字

可以禁用函数、变量、单位或未知数以避免混淆,例如:(a+b)^2 不表示 (are+barn)^2

而是 (“a”+”b”)^2

可控的隐式乘法

支持矩阵、向量以及相关运算(行列式等)

详细错误消息

高精度计算

RPN 模式(逆波兰式计算)

结果显示:

支持所有常用进制,以及负数、非整数根,六十进制数,时间格式和罗马数字

许多自定义选项:精度、小数位数和乘号等

精确(=)或近似(≈)

分式:4/6*2=1.333… = 4/3=1+1/3

符号运算:

例如:(x + y)^2 = x^2 + 2xy + y^2; 4 “apples” + 3 “oranges”

因子分解和简化

微分与积分

能解大多数方程和不等式

自定义假设得到不同结果,例如:ln(2x) = ln(2) + ln(x) 如果 x 为正

能解大多数方程和不等式

函数:

所有常用函数:sine, log, 等…例如:ln5 = 1.609; sqrt(tan(20)-5) = sqrt(-2.76283905578)

大量统计、金融、几何及更多领域的函数(大约 200个)

If..then..else 函数,可选参数及可灵活创建更多特性的函数

能解大多数方程和不等式

单位:

支持所有国际单位制单位和前缀(包括二进制),也包括英制及其他单位系统

自动转换:ft + yd + m = 2.2192 m

隐式转换:5 m/s to mi/h = 11.18 miles/hour

智能转换:可将 5 kg*m/s^2 转换为 5 newton

误差传递

区间算法(用于确定有效数字或直接计算间隔的数)

容易创建、编辑或保存为标准 XML 文件

常量和变量:

基本常量:pi, e

大量物理常量和元素

可导入/导出为 CSV

容易创建、编辑或保存为标准 XML 文件

灵活,可以包含简单的数字、单位或者整个表达式

在类似数据库结构中包含对象和属性关联的数据集

绘图:

采用gnuplot

可绘制函数和数据(矩阵、向量)

支持保存绘制图像为 PNG、postscript等…

多个自定义选项

更新日志

5.0.0

  • Click on binary digit in result to flip bit
  • Selection of default number of bits for binary and hexadecimal numbers in programming keypad
  • Always show binary position numbers in result if numbers of bits are higher than 16, and improve appearance
  • Improvements/fixes to conversion completion and menus
  • Add retry and cancel buttons to error dialog after failure to save preferences, definitions, or workspace
  • Add last result to stack when pressing Enter with empty expression (was unintentionally disabled)
  • Selection of default number of bits for binary and hexadecimal numbers in programming keypad
  • Always show binary position numbers in result if numbers of bits are higher than 16, and improve appearance
  • More rounding methods
  • Support for hexadecimal floating-point literals using 0x...p... notation (0x1.4p3 = 0x1.4 * 2^3 = 10)
  • Use parentheses for number with scientific notation in more cases
  • Fix x and y reversed for paired matrix when using plot dialog
  • Detection of potential spelling mistakes (a warning will be shown) (libqalculate)
  • Add support for n...m, j:k, and j:i:k syntax, for sequence of numbers, e.g. 1...3 = (1:3) = (1:1:3) = [1 2 3] (note that brackets may be required for colon syntax to avoid conflict with time format) (libqalculate)
  • Improved "where" operator, including improved output of parsed expression, support for previously undefined variable names, and assignments before expression (e.g. "a=2, b=2, a^b") (libqalculate)
  • New units: LightSecond, LightMinute, and LightHour (libqalculate)
  • New functions: bitget(), bitset(), setbits(), integerDigits(), digitGet(), digitSet(), flip(), colon(), and foreach() (libqalculate)
  • Add support for "decimals" "to"-conversion (display as decimal fraction) (libqalculate)
  • Allow plot grid values higher than 1 (true) to specify line width (libqalculate)
  • Improve handling of zero solution and initial guess in newtonsolve() and secantsolve(), and check validity of solution (libqalculate)
  • Change handling a vectors in multiple function arguments (of non-vector type) - return vector instead of matrix, require equal number of elements, and use the same vector index for all arguments for each function instance (e.g. atan2([1 2], [3 4]) = [atan2(1, 3) atan(2 4)] (libqalculate)
  • Set handle vector property by default, for text, date, and boolean arguments, and for arguments, in global non-builtin functions, without specified type, and enable parsing of vectors for text arguments (libqalculate)
  • Do not apply "read precision" setting to integer exponents for values with units (libqalculate)
  • Change from line to point (or dot) plot style for data with many discontinuous points (libqalculate)
  • lambertw(x*e^x, 0)=x if x>=-1 (libqalculate)
  • Fix dsolve(diff(y, x) = y), and similar (libqalculate)
  • Fix log(1, 1) (undefined) (libqalculate)
  • Fix "to"-conversion to prefix and add "prefix" conversion option (for optimal prefix) (libqalculate)
  • Fix segfault in newtonsolve() and secantsolve() when equation does not contain variable (libqalculate)
  • Fix conversion to angle unit for complex angle, cis and polar forms (libqalculate)
  • Exchange rates fixes (libqalculate)
  • Minor bug fixes and feature enhancements

下载地址

魔盘        蓝奏云(2yd2)        飞机盘

未经允许不得转载:Puresys纯净系统-软件下载 » Qalculate! (计算器) v5.0.0 官方便携版

相关推荐

  • 暂无文章

评论 2

  • 昵称 (必填)
  • 邮箱 (必填)
  • 网址
  1. #0

    还是勇芳计算器,简单无敌好用

    weigh1个月前 (03-12)回复
  2. #0

    74M......至于么......

    anymango10个月前 (07-04)回复

支付宝扫一扫打赏