计算器 & 货币 换算器 : Calculator +

HiCalc - Calculator for iPad will make all your calculations become simpler than ever.
► Scientific calculator: sin, cos, tan, deg/rad/grad, Pi, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, Random, nPr, nCr, Differential function, Evaluation function,...
► Necessary functions for your popular daily calculation:
• Currency Converter
• Unit Converter
• Date - Time
• Finance
► Engineering & Finalcial Calculator:
• Graph
• Statistics
• Equation Solver
• Finance
• Base Conversion
► Noteworthy
• RETINA ready!
• New! Biorhythm calculator 
• Support three calculating modes: STANDARD, STRING and RPN
• Support precision to 31 digits
• Supports Complex numbers in STRING mode
• Powerful scientific calc with advanced fx: Differential, Evaluation, Integration, Product, Root-Finder…
• Support Extended Memory for deep calculation
• Expression history up to 135 items
• Sending data from Ext-Memory & History list
• Copy & Paste support
• Intuitive interface & No ADs
► Features:

• Multi-line LED-Calculator
• Smart input which allows input of complicated expressions
• Show expression as normal writing mode @ very useful for students
• Supports both USA and EUROPEAN styles for date and numeric separator
• Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR
► Tip calculator
Easy & funny to use.
► Biorhythm calculator
How are you today? How is your health factor this week, next month, next year? Biorhythm calculator will show you health factors as : physical, intellectual, intuitional and also emotional factor.
► Constants Library
The Constants Library includes 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Faraday const, Coulomb const, Gravitational const, Stefan-Boltzmann Const, Speed of Light, Euler constant...
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►值得注意
•RETINA准备好了！
•新的！生物节律计算器
•支持三种计算模式：STANDARD，STRING和RPN
•支持精确到31位数字
•在STRING模式下支持复数
•强大的科学计算与先进的fx：差异，评估，集成，产品，Root-Finder ...
•支持扩展内存进行深度计算
•表达历史最多135项
•从Ext-Memory＆History列表中发送数据
•复制和粘贴支持
•直观的接口和无AD
►特点：
•多行LED计算器
•智能输入，允许输入复杂的表达式
•表现为正常写作模式@对学生非常有用
•支持美国和欧洲风格的日期和数字分隔符
•具有堆栈浏览器和功能的高级RPN模式：DROP，SWAP，ROLL，DEPTH，PICK，OVER，KEEP，LAST，CLEAR
►科学计算器：sin，cos，tan，deg / rad / grad，Pi，sin-1，cos-1，tan-1，sinh，cosh，tanh，log，ln，sinh-1，cosh-1， 1，Dec-> Deg，Deg-> Dec，XY-> R，Random，nPr，nCr，微分函数，评估函数，积分函数，Root-Finder和乘积函数，最大公因数，最小公倍数，斐波纳契函数。 ..
►提示计算器
容易和有趣的使用。
►生物节律计算器
你今天好吗？本周，下个月，明年你的健康因素如何？生物节律计算器将显示您的健康因素：身体，智力，直觉和情感因素。
►常数图书馆
常数库包括数学，物理学，太阳系和元素中的1500个常数，例如：Avogadro数，法拉第常数，库仑常数，重力常数，Stefan-Boltzmann常数，光速，欧拉常数...
►您日常计算的必要功能：
• 货币换算
•单位转换器
• 约会时间
•财务
►工程与终极计算器：
•图表
•统计
•方程求解器
•财务
•基本转换