mccalcp

mccalc is a simple calculator (donation version) for the free app see here: <a href="https://marketplace.firefox.com/app/mccalc/" rel="nofollow">mccalc</a> features: - history support (stored offline) - View result as you type! - It supports trigonometrical functions (cos, sin, tan) and sqrt. - More functions can be used by using javascript "Math." syntax (eg Math.pow(5,2)=25) - Press on result (originally it has '=' sign) to store the calculation. - In calculation list press an equation to restore it. - works offline