| Tool / Calculator |
Description |
| Percentage Calculator |
Enter two numbers, and see not only the percentages, but how they are calculated. |
| Binary, Decimal, Hexadecimal Converter |
Convert between Binary, Decimal and Hexadecimal. Can handle fractions and negatives. |
| Prime Factorization Tool |
Want to know if a number is Prime? Or if not, which prime numbers are it's factors? |
| Straight Line Graph Calculator |
If you have two points and need to know the straight line formula (y=mx+b) that connects them. |
| Scientific Calculator |
We think this is the best calculator around, because it will accept formulas such as (3+2/9)^2 or sin(1/5) |
| Unit Conversion Tool |
A neat yet powerful unit conversion tool. Can convert lengths, weights, temperatures. Hundreds of imperial and metric
units are supported |
| Area Calculation Tool |
Calculate the areas of common shapes such as triangles, circles and ellipses |
| Which day of the week were you born on |
Calculate the day of the week for any date between 1582 and 4902 |
| Roman Numerals |
Can convert from/to Roman Numerals. What year was MDMCLXXI ? |
| Greatest Common Factor Tool |
Find the greatest common factor of 2 or 3 numbers. Useful for simplifying fractions. |
| Least Common Multiple Tool |
Find the least common multiple of 2 or 3 numbers. Useful for adding or subtracting fractions. |
| Full Precision Calculator |
Calculate answers to full precision. Want to multiply to hundreds of digits of accuracy? No problem! |
| Quadratic Equation Solver |
Have an equation like "ax2 + bx + c = 0"? We can solve it! |
| Function Grapher and Calculator |
You can plot two functions together, and even save the results as a web link. |
| Standard Deviation Calculator |
Shows you the results at every stage of the calculation |
| Complex Number Calculator |
Enter the formula, see the result. |
| Counting Money |
Its a game, but also useful for adding up money. |
| Power Set Maker |
Makes Power Sets from Sets |
| Decimal to Fraction Converter |
Converts Decimals to Fractional form, showing steps. |
Combinations and
Permutations Calculator |
Calculate Combinations and Permutations |
| All Factors Tool |
Find all the factors of a number. |