Handheld solar-powered calculator for administrative and clinical use in healthcare facilities. Performs standard arithmetic operations and is suitable for a wide range of administrative tasks including billing calculations, inventory management, and basic clinical arithmetic in skilled nursing facilities and home care agency offices. The solar power design eliminates the need for battery replacement, reducing ongoing supply costs. Compact, lightweight form factor fits easily in pockets or desk drawers for convenient access. A practical, low-maintenance office supply tool for healthcare administrative staff, nursing stations, and finance departments managing day-to-day calculations in post-acute and long-term care organizations.