## Σάββατο, 26 Ιανουαρίου 2013

### Μαθηματικά Εργαλεία και Υπολογιστές

Tool / CalculatorDescription
Percentage CalculatorEnter two numbers, and see not only the percentages, but how they are calculated.
Binary, Decimal, Hexadecimal ConverterConvert between Binary, Decimal and Hexadecimal. Can handle fractions and negatives.
Prime Factorization ToolWant to know if a number is Prime? Or if not, which prime numbers are it's factors?
Straight Line Graph CalculatorIf you have two points and need to know the straight line formula (y=mx+b) that connects them.
Scientific CalculatorWe think this is the best calculator around, because it will accept formulas such as (3+2/9)^2 or sin(1/5)
Unit ConverterA neat yet powerful Unit Converter. Can convert length, mass, volume, temperature and more. Hundreds of imperial and metric units are supported
Area Calculation ToolCalculate the areas of common shapes such as triangles, circles and ellipses
Polyhedron ModelsSpin, explode and see the nets of over 100 polyhedra.
Which day of the week were you born onCalculate the day of the week for any date between 1582 and 4902
Roman NumeralsCan convert from/to Roman Numerals. What year was MDMCLXXI ?
Greatest Common Factor ToolFind the greatest common factor of 2 or 3 numbers. Useful for simplifying fractions.
Least Common Multiple ToolFind the least common multiple of 2 or 3 numbers. Useful for adding or subtracting fractions.
Full Precision CalculatorCalculate answers to full precision. Want to multiply to hundreds of digits of accuracy? No problem!
Quadratic Equation SolverHave an equation like "ax2 + bx + c = 0"? We can solve it!
Function Grapher and CalculatorYou can plot two functions together, and even save the results as a web link.
Equation GrapherGraph equations like "x2+y2=2"
Standard Deviation CalculatorShows you the results at every stage of the calculation
Complex Number CalculatorEnter the formula, see the result.
Counting MoneyIts a game, but also useful for adding up money.
Mix SliderFind the right amounts of a mixture.
Power Set MakerMakes Power Sets from Sets
Decimal to Fraction ConverterConverts Decimals to Fractional form, showing steps.
Combinations and
Permutations Calculator
Calculate Combinations and Permutations
All Factors ToolFind all the factors of a number.
Vector CalculatorConvert between magnitude/angle and x,y. Add vectors. Dot product.