The Canon HS-20TSC semi-desktop calculator is ideal for your home or business. HS-20TSC is solar powered; with a replaceable battery for longer use. The 12-digit LCD display encompasses numerous commands - including a tax function, currency conversion and business calculation - making this semi-desktop calculator simple to operate. A large upright angle display allows you to easily see all your computations, with a stylish design and convenient functionality help with your day-to-day tasks.