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RK-83: Scientific Graphing Calculator

RK-83: Scientific Graphing Calculator
  • #: 160492
  • Price: $0.99 In Apple Store
  • Category: Education
  • Updated: 2012-03-18
  • Current Version: 1.2.4
  • 1.2.4
  • Size: 1.00 MB
  • Language: English
  • Seller: Nicholas Westlake
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.1 or later
  • © 2009 Nicholas Westlake
  •  Add to Favorite apps

 

Description

Visit www.rkalk.com to see video tutorials on powerful RK-83 features!

Don't spend $100+ on an old fashioned graphing calculator. Get all these features (plus more added with every FREE update):

Algebra and Trigonometry:

-Functions for calculating the absolute value, floor, ceiling, gcd, fractional part, integer part, and more

-Nestable functions: gcd(4, gcd(14, 6))

-Scientific Notation with 14 digit precision: the highest possible machine level precision for iPhone

-Standard trig functions (sine, cosine, cosecant, secant, cotangent)

-Hyperbolic and inverse trig functions

Statistics:

-Min, max, mean, standard deviation, variance

-Easy to use list syntax: stdDev({1, 2, 3, 2})

-Create custom lists: seq(rand*X, X, 1, 5)

Calculus:

-Calculate the area under a curve: fnInt(2X, X, 1, 2)

-Find a point derivative: nDeriv(X^2+X, X, 0)

-Solve for zeros: solve(X^2 - 2, X, 1.5)

-Complex number operations: conj(), real(), imag()

Linear Algebra:

-Matrices use built in operators, like "*" for multiplication: [[1, 2][3, 4]] * [[5, 6][7, 8]]

-Use built-in functions on matrices: sin({1, 2, 3})

-Get the dimensions of a matrix: dim([[4, 5, 6][7, 8, 9]])

Extras:

-Email your calculation history

-Get support online at RKalk.com, or email us directly: contact@rkalk.com

The RK-83 grapher is intuitive, powerful, and easy to use. The features you'll love:

-Touchable panning and pinch zooming

-Vibrant multi-colored graphs

-The best graph tracing you've ever seen

-Full screen shots

Version 1.2 is available now! It adds the much requested degree/radian mode! It's faster and more powerful than ever!

New in Version 1.2:

-Create and modify lists: sortA(seq(rand, X, 1, 10))

-User-defined functions: func(X, X^2)->G

-While loops: while(not(isPrime(X)), X+1->X)

-Degree and radian angle modes (in Settings below the Graph button)

-Quickly adjust your graph scale for "Degree Mode" with the new "ZoomTrig" button

-Faster graphing

Visit www.rkalk.com for documentation, including video tutorials, sample problems, and function reference.

What's New in Version 1.2.4

Bug fixes:

- Some users experienced problems when selecting options from the math menu.
- Some users experienced problems when tracing lines.

iPhone Screenshots

RK-83: Scientific Graphing Calculator iPhone Screenshot 1
RK-83: Scientific Graphing Calculator iPhone Screenshot 2
RK-83: Scientific Graphing Calculator iPhone Screenshot 3
RK-83: Scientific Graphing Calculator iPhone Screenshot 4
RK-83: Scientific Graphing Calculator iPhone Screenshot 5

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The information may be outdated (2017-03-08 08:58:41). For actual information go to iTunes

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