| 开发人员: | Krueger Systems, Inc. (12) | ||
| 价格: | 免费 | ||
| 排名: | 0 | ||
| 评价: | 0 我要评价 | ||
| 列表: | 0 + 1 | ||
| 积分: | 0 + 1 (5.0) ¡ | ||
| App Store | |||
说明
The rules are simple: the app will give you a math problem to solve and you have 20 seconds to do it.
Sometimes the problems are easy, like 2 + 2. Othertimes they are evil and mean, like 47.1 ÷ 721 (that's 0.0653 by the way).
Sounds hard, huh? It is. So the app is kind and gives you partial credit: you're graded on bell curve around the answer. This means you can be a little wrong but still get partial credit.
The trick is to develop the ability to solve seemingly very difficult math problems in your head using successive approximations. First get the order of magnitude right, then the next digit, then the next.
Once you develop this skill, every day problems will be a pleasure to solve and you'll be the first one in your group of friends able to split the check (sorry).
This app is great for engineers, scientists, students, and the rest of us who just want to keep our brains working well.
I hope you enjoy it!
屏幕截图
新版变化
- 版本: 1.2
- 已更新:
- * Fix entering numbers in regions outside the United States
* Fix keyboard blocking entry on iPads
* Fix landscape mode
价格
- 今天: 免费
- 最小值: 免费
- 最大值: 免费
可选
开发人员
- Krueger Systems, Inc.
- 平台: iOS 应用 (7) macOS 应用 (3) Windows 应用 (2)
- 列表: 13 + 10
- 积分: 6 + 612 ¡
- 排名: 0
- 评价: 0
- 折扣: 0
- 视频: 0
- RSS: 订阅
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评价
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其他信息
- 版本: 1.2
- ID: com.kruegersystems.arithmetic
- 类别:
iOS 应用›教育 - 操作系统:
Apple Watch,iPad,iPhone,iOS 9.0 及更高版本 - 大小:
14 Mb - 内容分级:
4+ - App Store 评分:
5.0(1) - 已更新:
- 发布日期:
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