Good Grapher Pro - scientific graphing calculator 3.3.3

Good Grapher™ is a powerful scientific graphing calculator that serves as a reliable assistant from elementary school to university and work.

Customer reviews:

• "Amazing app! I love it. It has many great features that surpass my T83."
• "Best calculator. It's now my favorite app. The functionality and usability are top-notch."

Scientific Calculator:

• History tape
• Real and complex numbers
• Radians and degrees angle modes, with support for minutes, seconds, and grads
• Constants: astronomical, atomic, electromagnetic, mathematical, physicochemical, universal
• Functions: sin, cos, tan, cot, sec, csc, sinh, cosh, tanh, coth, asin, acos, asec, acsc, atan, acot, asinh, acosh, atanh, acoth, log2, log10, ln, logn(n,x) (log x with base n), √, ³√, abs, avg, ceil, floor, round, deg2rad, rad2deg, max, min, sgn, lcm, gcd, nCr, nPr, arg, real, imag, conj, polar
• Operators: + , - , * , / , % (modulus), ^ , ! (factorial), ' (minutes), " (seconds), {grad}
• ← - assignment operator and A , B , … , J variables for value storage
• Copy/email calculations

2D Graphing Calculator:

• Carefully-designed graph visualization with multi-touch support (pinch to zoom and drag to scroll)
• Cartesian y(x) and x(y), polar r(θ), parametric x(t) y(t), implicit graphs
• Inequalities drawing
• Function tracing and automatic scanning for min/max, zeros, and intersections for all function types
• Intersection discovering between different function types, e.g., between cartesian y=x and polar r=1
• Unlimited number of functions can be drawn simultaneously
• Standard, trigonometric, and logarithmic axes
• Proportional and non-proportional scaling
• Customizable graph colors
• Table of graph values
• Copy, save, email screenshot

3D Graphing Calculator:

• Pinch to zoom and drag to rotate
• Cartesian x(y,z), y(x,z), z(x,y), cylindrical x(p,φ), y(p,φ), z(p,φ), spherical r(θ,φ), parametric xyz(u,v) and implicit graphs
• Inequalities drawing
• Points, lines, surface drawing modes
• Configurable graph bounds
• Copy, save, email screenshot

Math Solver:

• Polynomial solver:
• 1. 2x - 3 = 0 (linear)
  2. 3x² + 4x + 8 = 0 (quadratic)
  3. 5x³ + 2x² - 4x + 2 = 0 (cubic)
  4. 7x⁴ - 2x³ + 3x² + 2x - 1 = 0 (quartic)
• System of linear equation solver:
• 1. With 2 unknowns: 2x - 9 = 9 and 3x + 4y = -13
  2. With 3 unknowns: -5x + 4y + 2z = -4, 7x + 2y + 3z = 19, and 3x + 5y - 1z = 10

Mac App Store:

Good Grapher is also available on the Mac App Store. Visit www.goodgrapher.com for more screenshots, demo videos, details, and news. Feel free to contact us with any questions and suggestions.