English | Japanese

#
OneLineDraw (iPad Application)

### What's new?

(2010.5.26)
Available on iTunes App Store now! Free!

### Overview

Draw variety of figures by writing one line mathematical formula.
With over 20 examples, you can enjoy this app even if you have no
mathematical knowledge. Formulas you have written can be saved on your
iPad, and can be saved as text files by iTunes' file sharing.

### Screen Shots

(Click to enlarge)

### How to write your own formula?

The screen is a complex plane of the range [-1,1] of real and
imaginary part. You can use the following operator/functions.
Your formula must be in 120 characters max.

Notation | Type | Description |

x + y | binary operator |
Addition |

x - y | binary operator |
Subtraction |

x * y | binary operator |
Multiplication |

x / y | binary operator |
Division |

+ x | unary operator |
(do nothing) |

- x | unary operator |
Minus |

t | variable |
Parameter sweeping from 0 to 1 |

i | constant |
Imaginary Unit |

e | constant |
Napier's constant |

pi | constant |
Circumference ratio |

real(z) | function |
Real part |

imag(z) | function |
Imaginary part |

abs(z) | function |
Absolute value |

arg(z) | function |
Argument |

conj(z) | function |
Conjugate |

sqrt(z) | function |
Square root |

exp(z) | function |
Exponent (e^{z}) |

pow(x,y) | function |
Power (x^{y}) |

log(z) | function |
Natural logarithm (log_{e}z) |

log10(z) | function |
Common logarithm (log_{10}z) |

sin(z) | function |
Sine |

cos(z) | function |
Cosine |

tan(z) | function |
Tangent |

sinh(z) | function |
Hyperbolic Sine |

cosh(z) | function |
Hyperbolic Cosine |

tanh(z) | function |
Hyperbolic Tangent |

### Support

Email: okayan (at) c-creators.co.jp

Twitter: @t_okada