Review: BizMathica programmable calculator v2.3.5 检讨： bizmathica可编程计算器v2.3.5
Rating: 评价： 7.8/10
Cost: $ 29.99 at BerryReview 费用： 29.99美元，在berryreview
OTA installation OTA的安装

On the second day of this第二天就这 calculator roundup计算器综述 , I went for something a little different. ，我去的东西有点不同。 The那个 HP pocket calculator emulators I discussed yesterday惠普袖珍计算器模拟器我讨论昨天 are very charming and efficient, but like I said, they do have a steep learning curve.非常迷人和有效率的，但像我刚才所说，他们这样做有一个陡峭的学习曲线。 Besides, I wasn’t really that happy with how they display data on the screen.此外，我是不是真的那么高兴与他们如何显示数据在屏幕上。 Although I decided I liked the 12C better than the others because of the functions and put the 10C in the second place, I had a hard time letting go of the 10B because I liked the way it displayed the entire expression in one data display line.虽然我决定我喜欢12 C优于他人的，因为各项职能和把10 C在第二位，我有一个努力的时间不放的10 B条，因为我喜欢的方式显示整个表达的一个数据显示器产品线。 I guess I wanted that then.我猜想我想当时的。 Well, the good news is that most of the other available calculators for the Blackberry do exactly that.好，好消息是，大部分的其他可用的计算器为黑莓做的正是这一点。 The first one in that category that I tried was BizMathica .一是在这一类别中，我试图是bizmathica 。

BizMathica will greet you with a very blank stare. bizmathica将迎来你一个很空白的凝望。 Not impressive at first.没有令人印象深刻的在第一。 But then you just need to feed it some data.但那样的话你只需要饲料，它的一些数据。 There is no need to press Alt or Shift keys.有没有需要按下ALT或Shift键。 All numbers and symbols are recognized correctly.所有的数字和符号，是公认的正确。 And why wouldn’t they?为什么不会呢？ That’s the only logic and sane thing to do.这是唯一的逻辑和理智的事。 Granted, you may want to type letters into an expression, like x or y, but that certainly is not the most common case.理所当然的，您可能要输入的信件成为一个表达，如x或y ，但肯定不是最常见的案例。 If you press the 8/x key into a calculator display, chances are you want “8″, not “x”.如果您按下8 / X键成为一个计算器显示，机会是您想要“ 8 ” ，而不是“ X ”的。 If you really want “x”, then you press the Alt key to type an “x”.如果你真的想的“ X ” ，那么你就按下ALT键输入一个“ X ” 。 Excellent.优秀的。 Then you press the Enter key to see the result of the expression.然后你按下Enter键看到的结果表达。 I didn’t like using the Enter key.我不喜欢使用Enter键。 I always think the Space key is a lot more comfortable and convenient for that.我一直认为，空间，关键是有很多更舒适和方便。 The thing is, you can actually insert spaces in the expressions although I don’t see why you would want to do that.这件事是，你其实可以插入位中的表达，虽然我不明白为什么你会想这样做。

Symbols are typed immediately as long as they are available in the keyboard.符号输入立即只要他们都可以在键盘上。 If they’re not, you can also resort to the Blackberry’s own Symbol key and get more symbols.如果他们不，您也可以诉诸黑莓自己的符号的关键，并获得更多的符号。 And another very good thing about expression input in BizMathica is that correct operation precedence is applied.另一个很好的事，关于表达的投入bizmathica是正确的行动，优先适用。 I我 mentioned this problem when I reviewed the HP 10B pocket calculator emulator提到这个问题，当我回顾了惠普公司10 B条，袖珍计算器模拟器 : you key in 22*16+4*2 into the HP 10B and the result is 712 when you probably expect 360.问：您的关键在22 * 16 4 * 2到惠普10 B条和结果是712时，你可能预期360 。 In BizMathica , the result of that expression is 360.在bizmathica ，结果所表达的是360 。 You may want to enclose certain operations in parentheses like this: (22*16)+(4*2).您可能要附上某些业务括号内是这样的： （ 22 * 16 ） + （ 4 * 2 ） 。 But it’s not necessary.但它没有必要的。 The result is 360 either way.结果是， 360无论哪种方式。

BizMathica doesn’t look very good at first sight, but there is something very clever about this type of calculator that no one can deny: the phone already has keys with numbers and math symbols. bizmathica看来并不乐观很好的骤眼看来，但有一些很聪明的关于这种类型的计算器说，没有人可以否认：手机已键与数字和数学符号。 Why clutter the screen with fake keys?为什么杂波屏幕与假钥匙呢？ Why not use the entire screen space to display more data?为什么不使用整个屏幕空间来显示更多的数据？ What is this?这是什么？ An iPhone?一个拥有呢？ Certainly not, so there is plenty of screen real state for data display.当然不是，所以有足够的屏幕上实时状态数据显示。 So all you have to do is press Enter and there is your result, and not only that, you can always refer to many if not all of the previous operations.因此，所有您需要做的就是按下ENTER ，并有您的结果，不仅如此，您可以随时参阅许多如果不是全部的前行动。 They’re all sent to the “history” area above the current expression and you can have a pretty long history.他们都是发送到“历史”方面高于目前的表达，你可以有一个相当长的历史。 The length of the history is configurable and the default is 150 lines.长度的历史，是配置和预设值是150线。 I wonder if there is too much of a performance impact if I raise it to, say, 500.我不知道，如果有太多表现的影响，如果我提出来，也就是说， 500 。 It is possible.这是可能的。 I changed mine to 1,500 and there was no error message regarding any limits.我改变矿井1500并没有错误讯息就任何限制。 You can scroll all that you want through that operation history and, of course, copy the whole of it so as to paste it elsewhere.您可以滚动所有您想要通过这一行动的历史，当然，复制整个资讯科技，以便将其粘贴在其他地方。 Remember: not an iPhone.请记住：没有一个拥有。

Note that the result is displayed twice: immediately below the last expression and at the bottom of the screen.请注意，结果显示两次：立即低于去年的表达及在屏幕的底部。 No matter what you do, the bottom of the screen always displays the result of the last expression.不管你这样做，屏幕的底部总是显示的结果，最后的表达。 That’s probably a reminder because you can always use that last result in your next operation.这也许是提醒，因为您可以随时使用，去年的结果在您下次的行动。 All you have to do is type the “@” symbol into your expression and it will be calculated as the value obtained from the last calculation.所有您需要做的就是输入“ @ ”符号到您的表达，并会计算的价值从去年的计算方法。 Look at these screnshots:看看这些screnshots ：

The “@” symbol is a “global parameter”, which happens to be variable. “ @ ”符号是一个“全球参数” ，这刚巧是变数。 Other “global parameters” are fixed.其他“全球参数”是固定的。 You can add your own and edit the existing ones in the configuration section:您可以添加自己和编辑现有的在配置节：

If you look closely, you should see ExchgRateToHome and ExchgRateToOther .如果你仔细看看，您应该会看到exchgratetohome和exchgratetoother 。 That is supposed to be used in currency exchange rate conversions, but I don’t see how that can be really useful since there is no currency update mechanism.这是假定将用于在货币汇率转换，但我看不出如何能真正有用，因为是没有货币的更新机制。 The only value it has is the ability to be edited and used in whatever way you may come up with and apply conversions.唯一的价值，这已是能够加以编辑和使用的方式，你可能会与和适用的转换。

IF YOU MEAN BUSINESS 如果你的意思业务

Scientific and financial calculators die-hards may be wondering about how to perform all those specific functions with BizMathica , but they probably have seen the screenshots and noticed those two Functions and Formulas lines.科学和金融计算器压铸hards可能想知道有关如何执行所有这些具体职能与bizmathica ，但他们可能看到了画面，并注意到这两个功能和公式线。 Those are menus.这些都是菜单。 They contain many formulas and functions that you can use and edit/customize if you want.它们包含许多公式和功能，您可以使用和编辑/自定义如果你想。 I am not sure how well and to what extent those formulas can be customized.我不知道如何以及在何种程度上，这些公式可以自订。 In fact, I found that option very confusing.事实上，我发现，选择非常混乱。 Still, even if you can’t change it just the way you want, by all means check this还有，即使你不能改变它只是您想要的方式，运用一切手段，请在此 neverending list of formulas and functions neverending名单公式和职能 at ShrunkenHead’s site.在shrunkenhead的网站。 There are both scientific and financial functions in that list, and there is a lot of them.有科学和财务职能在该名单中，有很多他们。

You will probably have to check the你可能会检查 manuals in PDF手册PDF格式 to master these more advanced features.掌握这些更先进的功能。 I didn’t.我没有。 But I bet that should be a lot less reading than the typical 200-page manuals of the HP calculators - if you can find them.但我敢打赌，应该少很多读，比典型的200页的手册惠普计算器-如果你能找到他们。 The HP calculators are complex all-around unless you’re already very familiar with them whereas BizMathica has only a few arcane features that are likely to require some reading.惠普计算器是复杂的全约，除非您已经很熟悉他们，而bizmathica已只有少数难懂的功能是可能需要一些读。

THE PROBLEMS 问题

OK, enough with the nice words.确定，足以与好话，动听的话。 Let’s now see what is very, very wrong with this calculator.让我们现在看到的是什么是非常，非常不妥，这计算器。 By far, the absolutely worst thing about this calculator is the whole interface beyond the basics.到目前为止，绝对是最糟糕的事对这个计算器是整个界面除了基础。

First off, how come there are two menus, one for formulas and one for functions?首先，如何来有两个菜单，一个公式和一个功能？ Whenever I want to use one of them, I’m never sure whether it is a formula or a function and often waste time looking for it in the wrong menu.每当我要使用的其中一人，我从来没有肯定是否这是一个公式或函数，而且往往浪费时间寻找它在错误的菜单。 It’s confusing!它的混乱！

Then suppose you have the right menu.然后假设您有权利菜单。 How do you use it?你怎么使用它？ Pay attention: if you click the trackball in the big expression area, you get a certain generic menu.注意：如果您按一下轨迹球在大面积的表达，您会获得一定的通用菜单。 If you click the Formulas or Functions menu with the trackball, you don’t get a list of formulas/functions, you get that same generic menu.如果您单击公式或功能菜单与轨迹球，你没有得到的名单公式/职能，您会获得同样的通用菜单。 Awful!可怕的！ In order to select a formula/function, you’ll have to scroll down to “Change option” in the generic menu and click “Change option”.在以选择一个公式/功能，您必须向下滚动，以“变更选项： ”在通用菜单，并点击“更改选项” 。 Then you’re shown the formula or function menu.然后您显示公式或功能菜单。 Really awful!真正可怕的！ And when you find the item you want, you don’t just click it.和当您找到您想要的项目，你不只要按一下它。 After you click it, you still have to press the Enter key or the trackball and select “Copy To” from the menu that ensues.当您按一下它，你仍然要按下Enter键，或轨迹球并选择“复制”从菜单中ensues 。 Unbelievably awful!令人难以置信的可怕！

There is a shortcut.有一个捷径。 Highlight one of those Formulas or Functions menus and press the first letter of the formula/function you want.突出的一个，这些公式或功能菜单和新闻界的第一个字母的公式/您想要的功能。 That will be faster… if you’re smarter than I am and never have any doubts whether what you want is a formula or function and never pick the wrong menu.这将是更快…如果您聪明，比我还从未有任何怀疑，是否有什么你想要的是一个公式或函数和从来没有选择错误的菜单。

And sometimes the formula/function is quite dumb and requires way too much clicking and scrolling.有时公式/功能是相当愚蠢的方式，并要求太多的点击和滚动。 Let’s see one example: how many kilograms are there in 200 pounds?让我们看看一个例子：有多少公斤是否有在200磅？ Look at the screenshots before I explain:看看在画面之前，我解释：

The screenshots above demonstrate “the wrong way”: you don’t know how many kilograms it’s going to be, but you can’t leave it empty.截图上述证明“错误的方式” ：你不知道有多少公斤，它的去，但你不能离开它是空的。 Why not?为什么不呢？ What else could someone ever type in there?还有什么能够有人以往任何时候都在有型呢？ Heck if I know.赫克如果我知道。 You just can’t leave it empty.刚才你不能离开它是空的。 But typing anything there doesn’t make any sense, does it?但打字有什么不作任何意义，不是吗？

Of course it doesn’t!当然，这不！ But just look at how many things are wrong with it:但只要看看有多少事情是错的，与它：

1. I can’t leave the result field empty.我不能离开的结果领域的空白。
2. What is the deal with the OK and Cancel buttons?什么是处理与确定和取消按钮？ If I press Enter, I should get the result immediately so it is faster .如果我按下ENTER ，我应该得到立即的结果，所以这是更快 。 I can always cancel the operation with the phone’s Escape key.我可以永远取消操作与手机的逃生的关键。 I’ve lost count of how many times I pressed that Cancel button by mistake!我失去了指望有多少时候，我按下认为，取消按钮的错误！
3. Instead of getting the result right away, I have to press the OK button.而不是得到的结果，马上，我要按下OK按钮。
4. Even after I press the OK button, I still don’t get the result!甚至当我按下确定按钮，我仍然没有得到结果！ I get an expression and have to press Enter.我得到一个表达，并须按下ENTER 。
5. Only after I press Enter, I am told in a rather obscure way that I made a mistake several steps ago that the application would rather point out now and not then .只有当我按下ENTER ，据我所知，在一个相当模糊的方式，我犯了一个错误，几个步骤前，应用宁愿指出， 现在不是那么 。

What is the right way, then?什么是正确的做法，然后呢？

All that trouble because of a “?” symbol!所有的麻烦，因为一个“ ？ ”的象征！ OK, I’ve learned it, no more error messages.确定，我已经学会它，没有更多的错误讯息。 But I am still forced to fill in an unnecessary field and the correct filling of this field will not prevent all the rest of the remarkably convoluted process.但我仍被迫以填补在不必要的领域和正确的填补这一领域的将不能防止所有其余的显着错综复杂的过程。

In fewer words: accessing and using formulas and functions (like measurement conversions) with BizMathica is a major pain .在较少的话：访问和使用公式和职能（如测量转换）与bizmathica是一个重大的痛苦 。 This is one excellent example of the many situations that make me wonder what in the blue blazes goes on the minds of the developers that come up with these awful interfaces and incredible procedures.这是一个很好的例子，许多情况下，使我不知道是什么在蓝色的火光下去，头脑中发展而来的，与这些可怕的界面和令人难以置信的程序。 Oh, well.哦，好。 Not an iPhone, I guess.不是拥有，我猜想。 All these years and Apple has taught nothing to these people.所有这些年来，苹果给无关，这些人。

Pros and cons: I find it too difficult to sum them up. 优点和缺点：我觉得这太困难，总结起来。 Don’t be so lazy, read the article.不那么懒惰，阅读文章。 Instead, I’ll just apply the single comparison method I chose for all of this week’s calculators:反之，我将只适用于单一的比较方法我选择了为所有在这个星期的计算器：

Look and feel: 6 (look is just OK, feel not so much) 外观和感觉： 6 （看看是刚刚确定，觉得没有这么多）

Ease of use: 7 (the interface is not intuitive in several details, too many design blunders) 易于使用： 7 （接口是不直观的在几个细节，有太多的设计失误）

Math functions: 9 (or 10, maybe? It certainly can do a lot) 数学函数： 9 （或10 ，也许？当然可以做很多）

Data display: 10 (full expressions and ticker tape) 数据显示： 10 （充分的表达和股票录音带）

Measurement conversion: 7 (it’s there, but lacks useability and there are not that many measurement units) 度量换算： 7 （它的存在，但缺乏useability有没有那么多的测量单位）

Average: (6+7+9+10+7=39) / 5 = 7.8 平均： （ 6 7 9 10 7 = 39 ） / 5 = 7.8

This entry was posted on Tuesday, April 22nd, 2008 and is filed under此项目被张贴于周二， 2008年4月22日是提交下 Reviews 评语 , ， Utilities 公用事业 . 。

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