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Texas Instruments 德州仪器 Nspire CX CAS 图形计算器

4.7 颗星,最多 5 颗星 3,482 评论
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美国亚马逊: 4.4 颗星,最多 5 颗星 2,312 条评论
Gene
5.0 颗星,最多 5 颗星 Excellent CAS calculator that comes with PC software
2018年9月2日 - 已在美国亚马逊上发表
尺寸: 标准颜色: 黑色已确认购买
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Gene
5.0 颗星,最多 5 颗星 Excellent CAS calculator that comes with PC software
评论于 2018年9月1日 在美国 🇺🇸 发布
For better or for worse, TI has a near monopoly on the educational market. Needing a graphing calculator for my high-schooler, I researched the venerable TI-84 series and settled on the new Nspire CX CAS. Coming from an engineering background, I actually used the HP48g series; however, because the use of TI calculators is nearly ubiquitous in high-school and college, I knew I had to get a TI calculator.

The NSpire CX CAS is an excellent calculator. It supports nearly everything that a Algebra 1, Algebra 2/Trig or Calculus student would need. The CAS (Computer Algebra System) system allows solving, expanding and factoring of algebraic equations symbolically. This is a great boon for students wanting to check their work. My son does the work by hand (which many teachers require) and then will check the final result using the solve function. Solving for roots of quadratics is as simple as entering solve(Quadratic,variable).

The best thing about this calculator is the PC software it comes with. When my son is doing his HW at home, he is able to use the PC and very quickly enter equations and check his work. Much faster than he would be able to on the calculator at school.

The calculator comes with a large library of built-in math functions, as well as the capability to plot graphs (including inequalities). It also has a built-in spreadsheet where one can perform plotting of discrete points and even allows one to perform a linear regression on the points. The calculator comes with a tiny getting started guide, which is almost useless. You will have to go online and download the real PDF manual from TI to be able to understand some of the basic functions of this calculator.

Overall, this calculator is much more advanced than the HP48gx I used when in Engineering college. I do however, prefer the RPN of the HP calculators. The CAS system is a very nice added touch, and unless you need the calculator for the ACT test, I would recommend skipping the non-CAS version and spending a few bucks more to get the CAS functionality.
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28 个人发现此评论有用
allabout
1.0 颗星,最多 5 颗星 Great calculator. Crappy company
2017年8月22日 - 已在美国亚马逊上发表
尺寸: 标准颜色: 黑色已确认购买
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allabout
1.0 颗星,最多 5 颗星 Great calculator. Crappy company
评论于 2017年8月21日 在美国 🇺🇸 发布
Great calculator. Crappy company.

Display failed before the 1 year warranty was up. TI says it's physically damaged (dropped, excessive pressure, got wet, etc) and therefore is not covered. Calculator was well cared for, never dropped, got wet wet, etc... Owned many TI products going back to the Speak & Spell including multiple TI calculators (TI 84 Plus CE, TI CX, TI 36X...)... always very reliable. This is the first time actually trying to use the warranty. Seems like their customer service has been engineered by their finest team of accountants. Shame.
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69 个人发现此评论有用
Jordan
5.0 颗星,最多 5 颗星 Nspire CX CAS is the best calculator hands down
2018年9月17日 - 已在美国亚马逊上发表
尺寸: 标准颜色: 黑色已确认购买
12 个人发现此评论有用
Stwang
5.0 颗星,最多 5 颗星 I love this calculator and so does my GPA!
2016年8月19日 - 已在美国亚马逊上发表
尺寸: 标准颜色: 黑色已确认购买
35 个人发现此评论有用