Equation grapher is a free graphing calculator to graph equations.

Equation grapher is a free graphing calculator to graph equations. Equation Grapher is a free graphing calculator to graph equations. Equation Grapher is a free graphing calculator to graph equations.

DreamCalc is the leading replacement Scientific Calculator for Windows that's so realistic it dispenses with the need for a physical hand-held altogether!

Calculate the percentage, tip and discount calculator

Calculate the percentage of any number out of any number. Add percentage to an amount or calculate a discount percentage.
For tip calculation. Figure the selling price after a discount was applied.

Draft Survey calculation program for Ships Officers and Marine Surveyors.

Draft Survey is a user-friendly draught survey calculation program for Ships Officers and Marine Surveyors. It complies with the latest UN ECE standards for Draught Surveying and can print to all standard printer types.

For factoring integers, finding primes and plotting associated histograms.

A program to find prime numbers and pairs of primes, to decompose numbers into their prime constituents, to find all factors of any positive integer up to 2,147,483,645, and to plot Erdos-Kac and Palmen Color histograms.