Calculadora desenhada à mão com dupla alimentação, tela grande de 12 dígitos, caneta integrada e função de apagar com um clique.

Large 12-digit Display With a large 12-digit display, this calculator makes it easy to read numbers and equations. Dual Power Sources Equipped with dual power sources, this calculator ensures reliable operation without the need for batteries. Built-in Pen The built-in pen allows for easy note-taking and drawing, enhancing the calculator's versatility. Hand-drawn Design The calculator features a unique hand-drawn design, adding a touch of creativity to its functionality. One-click Erase Function The one-click erase function enables quick correction of mistakes, saving time and effort.