Euro conversion with memorization

• 11 Euro conversion rates already memorized, visible signs on the screen
• 5 freely programmable conversion rates
• trigonometric calculation
• tax calculation
• commercial rounding for addition and subtraction
• arithmetic system of sequences for multiplication and division
• comma technique, floating comma for inputs and results
• comma 0, 2, 3, 4 and 6, A / F
• memory: addition, subtraction, partial total and grand total
• value repetition, constant factor and divisor
• percentage automation
• delta percentage
• date printing
• post counter
• sign inversion +/-
• full sign logic
• Screen with 12 digits