INFORMATION

Updated:
Version:
2.1.0
Size:
90.0 MB
Category:
Education
Required:
iOS
Rating:
Publish:
2023-01-19
Price:
Free
Developer:

WHAT'S NEW

Added numeric result in home screen. Bug fixes.

Ncalc App SCREENSHOT

【图】Ncalc – Graphing Calculator 84(截图1)【图】Ncalc – Graphing Calculator 84(截图2)【图】Ncalc – Graphing Calculator 84(截图3)

Ncalc App DESCRIPTION

Graphing calculator provides an UI similar to real graphing calculator 84.
◉ Graphing calculator.
– Calculator supports function, polar and parametric graphs.
– Press MODE and select graph mode, and then press Y= to open graph editor. Press GRAPH to draw these functions.
– Interactive tracing mode, manual tracing mode.
– Show intersection, root and extrema (local maximum, local minimum) of function graph
– Show derivative of function graph
– Show tangent of function and polar graphs
– Best fit line of set of points.
– TABLE generates table of value of selected graph.
– CALC calculates min, max, d/dx, integral of selected graph.

◉ Scientific calculator
– Computer algebra system, symbolic calculation.
– Support all functions of real graphing calculator 83, 84.
– All basic and advanced math functions, complex number, probability, angle, relational operations, logic operations, matrix and vector operations.
– Users can define their calculator function.

◉ Equation solver (Press ALPHA ENTER to open SOLVER menu)
– Solve any equation with auto solver mode, the calculator can give symbolic roots.
– Solve quadratic, cubic, quartic and 5th equation.
– Solve system of equations, up to 5 variables

◉ Statistics
– 1-Var Stats Calculates 1-variable statistics.
– 2-Var Stats Calculates 2-variable statistics.
– LinReg(ax+b) Fits a linear model to data.
– QuadReg Fits a quadratic model to data.
– CubicReg Fits a cubic model to data.
– QuartReg Fits a quartic model to data.
– LinReg(a+bx) Fits a linear model to data.
– LnReg Fits a logarithmic model to data.
– ExpReg Fits an exponential model to data.

◉ Inferential Statistics and Distributions
– Z-Test, T-Test, 2-SampZTest, 2-SampTTest, 1-PropZTest, 2-PropZTest, ZInterval, TInterval, 2-SampZInt, 2-SampTInt, 1-PropZInt, 2-PropZInt, Chi2-Test, Chi2-GOF Test, 2-SampFTest, LinRegTTest, LinRegTInt, ANOVA
– All distribution functions, includes normal distribution, student t, Chi-square, F, binomial, …

◉ Get Calculator 84 Premium
Upgrade to Premium version and get access all app features above, includes advanced math functions,
statistic, inferential statistics and distributions and a lot of other features.

* Choose from 3 subscription options:
– A 1-month subscription
– A 1-year subscription
– A Lifetime purchase.
* Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term.
* You can cancel the subscription anytime by canceling your subscription through your iTunes account settings. This must be done 24 hours before the end of subscription period to avoid being charged. The cancellation will take effect the day after the last day of the current subscription period, and you will be downgraded to the free service.

Terms of Service: https://calc84-efd3d.firebaseapp.com/tos.html
Privacy Policy: https://calc84-efd3d.firebaseapp.com/privacypolicy.html

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Designed for use with Ti-84
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Ncalc App DOWNLOAD

App StoreOfficial Website

App REVIEWS

roleztez

Perfect graphing calculator. Available for both mac and iphone

CCisgrea

It looks just like one, and the keys help so much! I'm really glad it looks like this in free mode too. The fraction part (n/d) helps more than you know! Y'all better not think this is a fake review. My exams are online and we're no longer allowed to use calculators, so this is my best bet for Free.99. I'm in graduate school and I'm loving this. Just download it, best ti-84 substitute.

370zRice

It has all the funtions I need out of a calculator

Garcij2

If you want to practicaly have a ti-84 amount of functionality for 5 dollars this is it. This may sounds likea fake review but i cant get over the fact that this app does what a 200 dollar calculator i was "required" to buy can do. Thank you for this youre the best.

Airmanr8

Except when squaring negative numbers the answer comes out negative when it’s supposed to be positive.

campbell

This is super helpful for someone like me that doesn’t own a calculator right now. It is literally a calculator just in ur phone. Super easy to use, there is a premium version but it isn’t necessary and it is amazing definitely download it right now

lacie

Good calculator

boochbea

Perfect for Pre-calc and Trig!! Prices are extremely low compared to a TI 84.

Deray

Awesome calculator , helps out a lot!

lathamsa

Best graphing calculator!

TI84User

Some syntax is slightly different (mostly for stats stuff), but otherwise this is an excellent way to always have your favorite calculator with you!

IDEA

I use this app for homework and every time I use it. It kicks me out.

MSDOR1

im the msdor and this is the best calculator ever

Nick

When evaluating an expression like : 5/9(65-32), the calculator seems to do the implied multiplication between 9 and 33 before the division between 5 and 9. This violated order of operations. When I put 5/9*(65-32) and include the multiplication sign, it evaluates correctly. TI 82 did this early in their evolution also. Can/will you fix this flaw? Thanks, Lisa

Slumpjos

I LOVE USING THIS APP. COMES IN GREAT HANDY WHEN IM AT SCHOOL AND I CAN'T SEND MY MESSAGES!!!!

IThochKi

this is cool im like stupid in math and this really help me understand the stuff i needed

sthoppay

Have been using for two weeks. Quite impressed by the similarity between the actual Ti84 and this simulated app.

Ss00

Wish it had 2nd function for x^3. Overall, better than other calculator I tried so far.

Duddeh

This is a great scientific app.

3333Ana3

I wish it look more like the real calc.