See-and-Calc is a freeware software that emulates an on-screen calculator with big display numbers and keypad with large keys in order to enhance visibility and friendly typing. See-and-Calc calculator has the following main features: 4 arithmetic functions; Optional sound on clicking the keys; Memory functions; Percentage and square root; Math sign inversion; 00 and 000 buttons; Choice of 2 basic color patterns. Button for correction of mistyped number. See-and-Calc is very useful as a personal calculator at any age and can be also a powerful educational tool.