Search results
| Name |
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| Palyi-Kownacki dominance index This calculator allows you to calculate species dominance using the two indicators most commonly considered in community analyses, species occurrence and abundance. |
| Pangram checker This online calculator can check if a phrase is a pangram. |
| Parallel and perpendicular lines on a plane This online calculator checks lines' slopes to see if they are parallel or perpendicular |
| Partial fraction decomposition The calculator decomposes a polynomial fraction to several fractions with a simpler denominator. |
| Partial Skein Yarn Yardage Estimator If you knit or crochet, you’ve likely encountered leftover partial skeins of yarn. Knowing how much yarn remains helps plan future projects, but requires a bit of math. This tool estimates yardage quickly: weigh your partial skein, input the numbers below, and get an instant result. Note that this is an approximation; factors affecting accuracy are explained in the details below. |
| Participant Placement Calculator The Participant Placement Calculator generates a list of routes for participants given the number of starting positions and participants. |
| PATHFINDER cipher checker This online calculator decrypts digits encrypted by PATHFINDER type of cipher. |
| PBX channel number calculation Calculates number of PBX telecommunications channels for given traffic load using Erlang B and Engset algorithms |
| Pearson correlation coefficient The Pearson correlation coefficient calculator is a tool that allows users to input sets of paired random variables and calculate the correlation between them. |
| Peptide calculator Peptide calculator |
| Peptide dissolution calculator Peptides dissolution calculator |
| Peptides dissolution calculator. Peptides dissolution calculator. |
| Percentage This online calculator gives the percentage of the value. It also calculates the percentage of the sum (e.g. the income tax of the net salary) and the percentage of the difference (e.g. VAT of the gross amount). |
| Percentage of metals in the alloy This online calculator uses the characteristics of the alloy of two metals - mass and volume - to calculate the percentage of metals in the alloy based on their densities. |
| Permutations calculator This online calculator generates all permutations for the specified set of elements. Note that the total number of permutations is the factorial of the number of elements in the set - for a large number of elements, the calculation will take a significant amount of time. |
| Petroleum product density Petroleum product density conversion, according to GOST 3900-85 |
| pH of a solution calculator These online calculators calculate the pH of a solution. There are two calculators – one for either strong acid or strong base, and another for either weak acid or weak base. |
| Pigpen cipher decoder This online calculator can decode messages written in the pigpen cipher |
| Pipe cold bending. Flexure depth with the main shaft. Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters. |
| Pipe Wall Thickness Pipe wall thickness calculation using Barlow´s formula |