Calculator

Product description: Scientific and engineering calculator from Casio model 991 high-resolution screen displays mathematical expressions naturally as in textbooks supports advanced calculations such as algebra, trigonometry, integration, differentiation, and others easy to use, battery operated, and includes a hard case we always strive to provide the best service and are happy to serve you electronically through our online store and if necessary, we will contact you according to your recorded information in this form and to contact us, you can send via the mobile number or WhatsApp listed at the bottom of the page.