Magic Number 是一款 Mac 上的计算器，别看他小小的身板，可内在的功能却一点也不缺少，多种模式、多种显示方式、详细的历史计算记录，你想要的它都能提供给你。

Magic Number 2.x Multilingual | MacOSX | 5 Mb

Languages: English, French, German, Italian, Spanish

Magic Number is an intelligent calculator you will enjoy.

A better calculator in every way.

• A better view of your calculation.

• More intuitive to enter and edit.

• Easier for everyday use.

• More capable for advanced problems.

Seeing is everything:

• Your calculation is beautifully and mathematically formatted.

Everything is easier to understand.

• You see the whole expression. You are less likely to make mistakes.

• To see it bigger, just resize the window.

• You also have extensive viewing options.

Enter naturally and quickly:

• Enter the way you see it.

For example: 2 sin 9 + 3

On a typical calculator, you enter: 2 x 9 sin + 3

On others, you enter: 2 * sin(9) + 3

On Magic Number: 2 sin 9 + 3

• Lots of easy and convenient shortcuts.

• Yes, you can press X to multiply.

Edit without thinking:

• It’s faster and easier than any editor!

• Made a mistake? Just click and type over it.

• You can navigate with just the left or right arrow keys.

Calculate intelligently:

• You can work with any type of numbers:

fractions, percentages, and even complex numbers.

• Magic Number can solve linear algebraic equations.

Enter: 100 – ? = 55. Result: ? = 45

Enter: 240 – ? % = 192. Result: ? = 20

• With ‘History’, you can reuse previous calculations.

• Use ‘Data’ to add a list of numbers quickly.

Lots of useful features:

• Over 100 functions

• 25 digits accuracy

• 10 memories (variables)

• 4 customizable tax rates

• Over 50 scientific constants

• Statistics (via ‘Data’)

• Linear regression (via ‘2D-data’)

• Matrix (Inverse, determinant, linear equations via Gauss-Jordan Elimination)

Compatibility: OS X 10.7 or later, 64-bit processor